./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/array-eq-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 01849734 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../sv-benchmarks/c/weaver/array-eq-trans.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e7f1528a4c77969c5bff279724a3ed43475460be047e2e4b141f1353c3ea9cfe --- Real Ultimate output --- This is Ultimate 0.3.0-dev-0184973-m [2025-04-24 16:50:12,616 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-24 16:50:12,701 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-04-24 16:50:12,707 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-24 16:50:12,708 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-24 16:50:12,735 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-24 16:50:12,736 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-24 16:50:12,736 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-24 16:50:12,736 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-24 16:50:12,737 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-24 16:50:12,737 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-24 16:50:12,738 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-24 16:50:12,738 INFO L153 SettingsManager]: * Use SBE=true [2025-04-24 16:50:12,738 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-24 16:50:12,739 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-24 16:50:12,739 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-24 16:50:12,739 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-24 16:50:12,739 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-24 16:50:12,739 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-24 16:50:12,739 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-24 16:50:12,739 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-24 16:50:12,739 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-24 16:50:12,739 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-24 16:50:12,739 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-24 16:50:12,739 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-24 16:50:12,739 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-24 16:50:12,740 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-24 16:50:12,740 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-24 16:50:12,740 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-24 16:50:12,740 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-24 16:50:12,740 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 16:50:12,740 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-24 16:50:12,740 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-24 16:50:12,741 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-24 16:50:12,741 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-24 16:50:12,741 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 16:50:12,741 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-24 16:50:12,741 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-24 16:50:12,741 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-24 16:50:12,741 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-24 16:50:12,741 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-24 16:50:12,741 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-24 16:50:12,741 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-24 16:50:12,742 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-24 16:50:12,742 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-24 16:50:12,742 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-24 16:50:12,742 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-24 16:50:12,742 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7f1528a4c77969c5bff279724a3ed43475460be047e2e4b141f1353c3ea9cfe [2025-04-24 16:50:12,975 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-24 16:50:12,982 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-24 16:50:12,984 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-24 16:50:12,986 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-24 16:50:12,986 INFO L274 PluginConnector]: CDTParser initialized [2025-04-24 16:50:12,987 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/array-eq-trans.wvr.c [2025-04-24 16:50:14,259 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/34332e12e/c284e6faa876461abef346e1af280be2/FLAG52f11fbb5 [2025-04-24 16:50:14,451 INFO L389 CDTParser]: Found 1 translation units. [2025-04-24 16:50:14,454 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/array-eq-trans.wvr.c [2025-04-24 16:50:14,461 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/34332e12e/c284e6faa876461abef346e1af280be2/FLAG52f11fbb5 [2025-04-24 16:50:15,310 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/34332e12e/c284e6faa876461abef346e1af280be2 [2025-04-24 16:50:15,312 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-24 16:50:15,313 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-04-24 16:50:15,314 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-24 16:50:15,314 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-24 16:50:15,316 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-24 16:50:15,316 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.04 04:50:15" (1/1) ... [2025-04-24 16:50:15,317 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@407dbc13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 04:50:15, skipping insertion in model container [2025-04-24 16:50:15,317 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.04 04:50:15" (1/1) ... [2025-04-24 16:50:15,327 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-24 16:50:15,475 WARN L116 LibraryModelHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/array-eq-trans.wvr.c[2776,2789] [2025-04-24 16:50:15,486 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-24 16:50:15,492 INFO L200 MainTranslator]: Completed pre-run [2025-04-24 16:50:15,519 WARN L116 LibraryModelHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/array-eq-trans.wvr.c[2776,2789] [2025-04-24 16:50:15,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-24 16:50:15,531 INFO L204 MainTranslator]: Completed translation [2025-04-24 16:50:15,532 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 04:50:15 WrapperNode [2025-04-24 16:50:15,532 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-24 16:50:15,533 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-24 16:50:15,533 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-24 16:50:15,533 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-24 16:50:15,537 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 04:50:15" (1/1) ... [2025-04-24 16:50:15,545 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 04:50:15" (1/1) ... [2025-04-24 16:50:15,562 INFO L138 Inliner]: procedures = 23, calls = 31, calls flagged for inlining = 10, calls inlined = 14, statements flattened = 185 [2025-04-24 16:50:15,563 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-24 16:50:15,563 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-24 16:50:15,563 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-24 16:50:15,563 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-24 16:50:15,568 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 04:50:15" (1/1) ... [2025-04-24 16:50:15,568 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 04:50:15" (1/1) ... [2025-04-24 16:50:15,575 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 04:50:15" (1/1) ... [2025-04-24 16:50:15,575 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 04:50:15" (1/1) ... [2025-04-24 16:50:15,580 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 04:50:15" (1/1) ... [2025-04-24 16:50:15,581 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 04:50:15" (1/1) ... [2025-04-24 16:50:15,584 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 04:50:15" (1/1) ... [2025-04-24 16:50:15,585 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 04:50:15" (1/1) ... [2025-04-24 16:50:15,585 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 04:50:15" (1/1) ... [2025-04-24 16:50:15,589 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-24 16:50:15,589 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-24 16:50:15,589 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-24 16:50:15,589 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-24 16:50:15,590 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 04:50:15" (1/1) ... [2025-04-24 16:50:15,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 16:50:15,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 16:50:15,612 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-24 16:50:15,614 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-24 16:50:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-24 16:50:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-24 16:50:15,629 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-24 16:50:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-24 16:50:15,630 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-24 16:50:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-04-24 16:50:15,630 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-04-24 16:50:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-24 16:50:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-04-24 16:50:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-04-24 16:50:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-24 16:50:15,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-24 16:50:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-04-24 16:50:15,631 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-24 16:50:15,705 INFO L234 CfgBuilder]: Building ICFG [2025-04-24 16:50:15,706 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-24 16:50:15,996 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-24 16:50:15,996 INFO L283 CfgBuilder]: Performing block encoding [2025-04-24 16:50:16,216 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-24 16:50:16,217 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-24 16:50:16,217 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.04 04:50:16 BoogieIcfgContainer [2025-04-24 16:50:16,218 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-24 16:50:16,219 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-24 16:50:16,219 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-24 16:50:16,223 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-24 16:50:16,224 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.04 04:50:15" (1/3) ... [2025-04-24 16:50:16,224 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49942bb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.04 04:50:16, skipping insertion in model container [2025-04-24 16:50:16,225 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 04:50:15" (2/3) ... [2025-04-24 16:50:16,225 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49942bb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.04 04:50:16, skipping insertion in model container [2025-04-24 16:50:16,225 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.04 04:50:16" (3/3) ... [2025-04-24 16:50:16,226 INFO L128 eAbstractionObserver]: Analyzing ICFG array-eq-trans.wvr.c [2025-04-24 16:50:16,236 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-24 16:50:16,238 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG array-eq-trans.wvr.c that has 4 procedures, 32 locations, 37 edges, 1 initial locations, 6 loop locations, and 1 error locations. [2025-04-24 16:50:16,238 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-24 16:50:16,285 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-04-24 16:50:16,340 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-24 16:50:16,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-24 16:50:16,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 16:50:16,344 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-04-24 16:50:16,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-04-24 16:50:16,399 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-24 16:50:16,414 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-04-24 16:50:16,420 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@596b535e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-24 16:50:16,420 INFO L341 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-04-24 16:50:16,488 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:50:16,488 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:50:16,489 INFO L139 ounterexampleChecker]: Examining path program with hash -1000121201, occurence #1 [2025-04-24 16:50:16,489 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 16:50:16,489 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:50:16,492 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:50:16,492 INFO L85 PathProgramCache]: Analyzing trace with hash -1613413088, now seen corresponding path program 1 times [2025-04-24 16:50:16,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:50:16,498 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427679033] [2025-04-24 16:50:16,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 16:50:16,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:50:16,556 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-04-24 16:50:16,618 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-04-24 16:50:16,620 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 16:50:16,620 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:50:17,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 16:50:17,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:50:17,113 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427679033] [2025-04-24 16:50:17,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427679033] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 16:50:17,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 16:50:17,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-24 16:50:17,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556631024] [2025-04-24 16:50:17,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 16:50:17,117 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-24 16:50:17,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:50:17,131 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-24 16:50:17,132 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-04-24 16:50:17,133 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:17,135 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:50:17,136 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 16:50:17,136 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:17,227 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:17,227 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-24 16:50:17,227 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:50:17,227 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:50:17,228 INFO L139 ounterexampleChecker]: Examining path program with hash -1000121201, occurence #2 [2025-04-24 16:50:17,228 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 16:50:17,228 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 16:50:17,229 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:17,229 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-04-24 16:50:17,229 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:17,229 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-04-24 16:50:17,232 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:17,232 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-04-24 16:50:17,232 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:17,233 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-24 16:50:17,233 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:17,233 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-04-24 16:50:17,233 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:17,233 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 16:50:17,233 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:50:17,233 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:50:17,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1927396307, now seen corresponding path program 1 times [2025-04-24 16:50:17,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:50:17,234 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089752322] [2025-04-24 16:50:17,234 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 16:50:17,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:50:17,254 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-04-24 16:50:17,267 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-04-24 16:50:17,268 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 16:50:17,268 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:50:17,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 16:50:17,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:50:17,550 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089752322] [2025-04-24 16:50:17,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089752322] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 16:50:17,551 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1567467840] [2025-04-24 16:50:17,551 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 16:50:17,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:50:17,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 16:50:17,553 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 16:50:17,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-04-24 16:50:17,613 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-04-24 16:50:17,644 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-04-24 16:50:17,645 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 16:50:17,645 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:50:17,647 INFO L256 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-04-24 16:50:17,651 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 16:50:17,834 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 16:50:17,834 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 16:50:17,907 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-24 16:50:17,908 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 55 [2025-04-24 16:50:18,023 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 16:50:18,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1567467840] provided 1 perfect and 1 imperfect interpolant sequences [2025-04-24 16:50:18,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-04-24 16:50:18,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4] total 10 [2025-04-24 16:50:18,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365212470] [2025-04-24 16:50:18,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 16:50:18,025 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-24 16:50:18,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:50:18,025 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-24 16:50:18,025 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2025-04-24 16:50:18,025 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:18,026 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:50:18,026 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 16:50:18,026 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:18,026 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:18,144 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:18,144 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:18,151 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-04-24 16:50:18,345 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2025-04-24 16:50:18,346 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:50:18,346 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:50:18,346 INFO L139 ounterexampleChecker]: Examining path program with hash -1033410759, occurence #1 [2025-04-24 16:50:18,347 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 16:50:18,347 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:50:18,347 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:50:18,348 INFO L85 PathProgramCache]: Analyzing trace with hash -268735475, now seen corresponding path program 1 times [2025-04-24 16:50:18,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:50:18,348 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065142491] [2025-04-24 16:50:18,348 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 16:50:18,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:50:18,363 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-04-24 16:50:18,375 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-04-24 16:50:18,375 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 16:50:18,375 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:50:18,484 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-24 16:50:18,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:50:18,484 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065142491] [2025-04-24 16:50:18,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065142491] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 16:50:18,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 16:50:18,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-24 16:50:18,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764567783] [2025-04-24 16:50:18,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 16:50:18,485 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-24 16:50:18,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:50:18,486 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-24 16:50:18,486 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-04-24 16:50:18,486 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:18,486 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:50:18,486 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 16:50:18,486 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:18,487 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:18,487 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:18,576 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:18,576 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:18,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:18,577 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-24 16:50:18,577 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:50:18,577 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:50:18,577 INFO L139 ounterexampleChecker]: Examining path program with hash -1033410759, occurence #2 [2025-04-24 16:50:18,577 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 16:50:18,577 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 16:50:18,578 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:18,578 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-04-24 16:50:18,578 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:18,578 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-04-24 16:50:18,578 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:18,578 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-04-24 16:50:18,578 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:18,578 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-04-24 16:50:18,578 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:18,578 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2025-04-24 16:50:18,578 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:18,578 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 16:50:18,578 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:50:18,579 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:50:18,579 INFO L85 PathProgramCache]: Analyzing trace with hash 992647310, now seen corresponding path program 1 times [2025-04-24 16:50:18,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:50:18,579 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929243796] [2025-04-24 16:50:18,579 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 16:50:18,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:50:18,589 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-04-24 16:50:18,597 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-04-24 16:50:18,597 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 16:50:18,597 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:50:18,832 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-24 16:50:18,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:50:18,833 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929243796] [2025-04-24 16:50:18,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929243796] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 16:50:18,833 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [727317222] [2025-04-24 16:50:18,833 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 16:50:18,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:50:18,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 16:50:18,835 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 16:50:18,837 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-04-24 16:50:18,894 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-04-24 16:50:18,927 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-04-24 16:50:18,928 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 16:50:18,928 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:50:18,931 INFO L256 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-04-24 16:50:18,935 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 16:50:19,086 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-24 16:50:19,086 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 16:50:19,129 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-24 16:50:19,130 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 55 [2025-04-24 16:50:19,257 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-24 16:50:19,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [727317222] provided 1 perfect and 1 imperfect interpolant sequences [2025-04-24 16:50:19,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-04-24 16:50:19,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 11 [2025-04-24 16:50:19,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471242252] [2025-04-24 16:50:19,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 16:50:19,258 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-04-24 16:50:19,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:50:19,258 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-04-24 16:50:19,259 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-04-24 16:50:19,259 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:19,259 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:50:19,259 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 16:50:19,259 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:19,259 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:19,260 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:19,260 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:19,458 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:19,458 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:19,458 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:19,458 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:19,465 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-04-24 16:50:19,659 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:50:19,659 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:50:19,659 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:50:19,659 INFO L139 ounterexampleChecker]: Examining path program with hash -1266618227, occurence #1 [2025-04-24 16:50:19,659 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 16:50:19,659 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:50:19,660 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:50:19,660 INFO L85 PathProgramCache]: Analyzing trace with hash -242132464, now seen corresponding path program 1 times [2025-04-24 16:50:19,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:50:19,660 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418821686] [2025-04-24 16:50:19,660 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 16:50:19,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:50:19,672 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-04-24 16:50:19,679 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-04-24 16:50:19,681 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 16:50:19,681 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:50:19,745 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-04-24 16:50:19,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:50:19,746 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418821686] [2025-04-24 16:50:19,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418821686] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 16:50:19,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 16:50:19,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-24 16:50:19,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071242569] [2025-04-24 16:50:19,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 16:50:19,747 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-24 16:50:19,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:50:19,747 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-24 16:50:19,747 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-04-24 16:50:19,747 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:19,747 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:50:19,747 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 16:50:19,748 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:19,748 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:19,748 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:19,748 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:19,748 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:19,827 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:19,828 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:19,829 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:19,829 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:19,829 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:19,829 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-04-24 16:50:19,830 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:50:19,830 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:50:19,830 INFO L139 ounterexampleChecker]: Examining path program with hash -1266618227, occurence #2 [2025-04-24 16:50:19,830 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 16:50:19,830 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 16:50:19,830 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:19,830 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-04-24 16:50:19,830 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:19,830 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-24 16:50:19,830 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:19,830 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-04-24 16:50:19,830 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:19,830 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-24 16:50:19,830 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:19,830 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-04-24 16:50:19,830 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:19,830 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 16:50:19,830 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:50:19,830 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:50:19,830 INFO L85 PathProgramCache]: Analyzing trace with hash -2017572828, now seen corresponding path program 1 times [2025-04-24 16:50:19,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:50:19,830 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729245117] [2025-04-24 16:50:19,831 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 16:50:19,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:50:19,840 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-04-24 16:50:19,847 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-04-24 16:50:19,847 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 16:50:19,847 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:50:19,976 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-24 16:50:19,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:50:19,977 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729245117] [2025-04-24 16:50:19,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729245117] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 16:50:19,977 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1648247235] [2025-04-24 16:50:19,978 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 16:50:19,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:50:19,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 16:50:19,980 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 16:50:19,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-04-24 16:50:20,066 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-04-24 16:50:20,097 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-04-24 16:50:20,097 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 16:50:20,097 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:50:20,099 INFO L256 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-04-24 16:50:20,100 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 16:50:20,228 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-24 16:50:20,228 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 16:50:20,340 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-24 16:50:20,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1648247235] provided 1 perfect and 1 imperfect interpolant sequences [2025-04-24 16:50:20,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-04-24 16:50:20,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 13 [2025-04-24 16:50:20,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734524205] [2025-04-24 16:50:20,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 16:50:20,342 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-04-24 16:50:20,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:50:20,342 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-04-24 16:50:20,342 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2025-04-24 16:50:20,343 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:20,343 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:50:20,343 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 16:50:20,343 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:20,343 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:20,343 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:20,343 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:20,343 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:20,343 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:20,490 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:20,490 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:20,490 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:20,490 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:20,490 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:20,491 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:20,498 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-04-24 16:50:20,692 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:50:20,692 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:50:20,692 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:50:20,692 INFO L139 ounterexampleChecker]: Examining path program with hash -1014258806, occurence #1 [2025-04-24 16:50:20,692 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 16:50:20,692 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:50:20,693 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:50:20,693 INFO L85 PathProgramCache]: Analyzing trace with hash 966980487, now seen corresponding path program 1 times [2025-04-24 16:50:20,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:50:20,693 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955207812] [2025-04-24 16:50:20,693 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 16:50:20,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:50:20,704 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-04-24 16:50:20,727 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-04-24 16:50:20,728 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 16:50:20,728 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:50:21,295 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-24 16:50:21,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:50:21,296 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955207812] [2025-04-24 16:50:21,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955207812] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 16:50:21,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 16:50:21,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-04-24 16:50:21,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762744363] [2025-04-24 16:50:21,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 16:50:21,296 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-04-24 16:50:21,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:50:21,296 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-04-24 16:50:21,297 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2025-04-24 16:50:21,297 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:21,297 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:50:21,297 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.909090909090909) internal successors, (32), 10 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 16:50:21,297 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:21,297 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:21,297 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:21,297 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:21,297 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:21,297 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:21,297 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:21,592 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:21,592 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:21,592 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:21,592 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:21,592 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:21,592 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:21,596 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:21,596 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-04-24 16:50:21,596 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:50:21,596 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:50:21,596 INFO L139 ounterexampleChecker]: Examining path program with hash -2085984384, occurence #1 [2025-04-24 16:50:21,596 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 16:50:21,596 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:50:21,597 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:50:21,597 INFO L85 PathProgramCache]: Analyzing trace with hash -1902891263, now seen corresponding path program 1 times [2025-04-24 16:50:21,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:50:21,597 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919426558] [2025-04-24 16:50:21,597 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 16:50:21,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:50:21,610 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-04-24 16:50:21,622 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-04-24 16:50:21,622 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 16:50:21,622 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:50:21,811 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-04-24 16:50:21,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:50:21,812 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919426558] [2025-04-24 16:50:21,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919426558] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 16:50:21,812 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1949863854] [2025-04-24 16:50:21,812 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 16:50:21,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:50:21,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 16:50:21,814 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 16:50:21,816 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-04-24 16:50:21,870 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-04-24 16:50:21,895 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-04-24 16:50:21,895 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 16:50:21,895 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:50:21,899 INFO L256 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-04-24 16:50:21,902 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 16:50:22,111 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-04-24 16:50:22,112 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 16:50:22,177 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-24 16:50:22,177 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 103 treesize of output 158 [2025-04-24 16:50:22,417 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-04-24 16:50:22,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1949863854] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 16:50:22,418 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 16:50:22,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 17 [2025-04-24 16:50:22,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065741932] [2025-04-24 16:50:22,418 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 16:50:22,418 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-24 16:50:22,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:50:22,419 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-24 16:50:22,419 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2025-04-24 16:50:22,419 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:22,419 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:50:22,419 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.388888888888889) internal successors, (97), 17 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 16:50:22,419 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:22,419 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:22,419 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:22,419 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:22,419 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:22,419 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:22,419 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:22,419 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:22,952 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:22,952 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:22,952 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:22,952 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:22,952 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:22,952 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:22,952 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:22,953 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:50:22,960 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-04-24 16:50:23,158 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2025-04-24 16:50:23,158 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:50:23,158 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:50:23,158 INFO L139 ounterexampleChecker]: Examining path program with hash -268649033, occurence #1 [2025-04-24 16:50:23,158 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 16:50:23,158 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:50:23,159 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:50:23,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1418089048, now seen corresponding path program 2 times [2025-04-24 16:50:23,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:50:23,159 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808020007] [2025-04-24 16:50:23,159 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 16:50:23,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:50:23,171 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 38 statements into 2 equivalence classes. [2025-04-24 16:50:23,183 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 38 of 38 statements. [2025-04-24 16:50:23,183 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 16:50:23,184 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:50:23,297 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-04-24 16:50:23,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:50:23,297 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808020007] [2025-04-24 16:50:23,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808020007] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 16:50:23,297 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [358790811] [2025-04-24 16:50:23,297 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 16:50:23,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:50:23,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 16:50:23,301 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 16:50:23,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-04-24 16:50:23,366 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 38 statements into 2 equivalence classes. [2025-04-24 16:50:23,425 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 38 of 38 statements. [2025-04-24 16:50:23,425 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 16:50:23,426 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:50:23,427 INFO L256 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-24 16:50:23,428 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 16:50:23,550 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-24 16:50:23,550 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 16:50:23,615 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-24 16:50:23,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [358790811] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 16:50:23,616 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 16:50:23,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 15 [2025-04-24 16:50:23,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021910074] [2025-04-24 16:50:23,616 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 16:50:23,616 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-04-24 16:50:23,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:50:23,617 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-04-24 16:50:23,617 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2025-04-24 16:50:23,617 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:23,617 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:50:23,617 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 5.375) internal successors, (86), 15 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 16:50:23,617 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:23,618 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:23,618 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:23,618 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:23,618 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:23,618 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:23,618 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:23,618 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:50:23,618 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:23,760 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:23,760 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:23,760 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:23,760 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:23,760 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:23,760 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:23,760 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:23,760 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:50:23,761 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:23,767 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-04-24 16:50:23,961 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:50:23,961 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:50:23,961 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:50:23,961 INFO L139 ounterexampleChecker]: Examining path program with hash -268649033, occurence #2 [2025-04-24 16:50:23,962 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 16:50:23,962 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 16:50:23,962 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:23,962 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-04-24 16:50:23,962 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:23,962 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-04-24 16:50:23,962 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:23,962 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-04-24 16:50:23,962 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:23,962 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-04-24 16:50:23,962 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:23,962 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2025-04-24 16:50:23,962 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:23,963 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-24 16:50:23,963 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:23,963 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-04-24 16:50:23,963 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:23,963 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 16:50:23,963 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:50:23,964 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:50:23,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1561755226, now seen corresponding path program 3 times [2025-04-24 16:50:23,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:50:23,964 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481478047] [2025-04-24 16:50:23,964 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 16:50:23,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:50:23,976 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 39 statements into 3 equivalence classes. [2025-04-24 16:50:23,993 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 37 of 39 statements. [2025-04-24 16:50:23,993 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-24 16:50:23,993 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:50:24,233 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-04-24 16:50:24,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:50:24,234 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481478047] [2025-04-24 16:50:24,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481478047] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 16:50:24,234 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [48561086] [2025-04-24 16:50:24,234 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 16:50:24,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:50:24,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 16:50:24,236 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 16:50:24,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-04-24 16:50:24,301 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 39 statements into 3 equivalence classes. [2025-04-24 16:50:24,331 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 37 of 39 statements. [2025-04-24 16:50:24,331 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-24 16:50:24,331 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:50:24,333 INFO L256 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-04-24 16:50:24,334 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 16:50:24,479 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-04-24 16:50:24,480 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 16:50:24,498 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-24 16:50:24,499 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 55 [2025-04-24 16:50:24,617 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-04-24 16:50:24,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [48561086] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 16:50:24,618 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 16:50:24,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 18 [2025-04-24 16:50:24,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434385443] [2025-04-24 16:50:24,618 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 16:50:24,619 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-04-24 16:50:24,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:50:24,619 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-04-24 16:50:24,619 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=255, Unknown=0, NotChecked=0, Total=342 [2025-04-24 16:50:24,619 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:24,619 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:50:24,620 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 5.473684210526316) internal successors, (104), 18 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 16:50:24,620 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:24,620 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:24,620 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:24,620 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:24,620 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:24,620 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:24,620 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:24,620 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:50:24,620 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:24,620 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:24,927 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:24,927 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:24,927 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:24,928 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:24,928 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:24,928 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:24,928 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:24,928 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:50:24,928 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:24,928 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:50:24,935 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-04-24 16:50:25,128 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-04-24 16:50:25,129 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:50:25,129 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:50:25,129 INFO L139 ounterexampleChecker]: Examining path program with hash 306220956, occurence #1 [2025-04-24 16:50:25,129 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 16:50:25,129 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:50:25,129 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:50:25,129 INFO L85 PathProgramCache]: Analyzing trace with hash -850255117, now seen corresponding path program 4 times [2025-04-24 16:50:25,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:50:25,129 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797118159] [2025-04-24 16:50:25,129 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 16:50:25,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:50:25,138 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 38 statements into 2 equivalence classes. [2025-04-24 16:50:25,143 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 29 of 38 statements. [2025-04-24 16:50:25,144 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 16:50:25,144 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:50:25,428 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-04-24 16:50:25,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:50:25,428 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797118159] [2025-04-24 16:50:25,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797118159] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 16:50:25,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 16:50:25,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2025-04-24 16:50:25,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390163810] [2025-04-24 16:50:25,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 16:50:25,429 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-04-24 16:50:25,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:50:25,430 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-04-24 16:50:25,430 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2025-04-24 16:50:25,430 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:25,430 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:50:25,430 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 11 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 16:50:25,430 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:25,430 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:25,430 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:25,430 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:25,430 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:25,430 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:25,430 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:25,430 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:50:25,430 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:25,430 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:50:25,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:25,900 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:25,900 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:25,900 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:25,900 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:25,900 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:25,900 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:25,900 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:25,900 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:50:25,900 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:25,900 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:50:25,901 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 16:50:25,901 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-04-24 16:50:25,901 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:50:25,901 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:50:25,901 INFO L139 ounterexampleChecker]: Examining path program with hash -1620976608, occurence #1 [2025-04-24 16:50:25,901 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 16:50:25,901 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:50:25,901 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:50:25,902 INFO L85 PathProgramCache]: Analyzing trace with hash -683574671, now seen corresponding path program 5 times [2025-04-24 16:50:25,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:50:25,902 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969366648] [2025-04-24 16:50:25,902 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 16:50:25,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:50:25,911 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 40 statements into 2 equivalence classes. [2025-04-24 16:50:25,920 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 40 of 40 statements. [2025-04-24 16:50:25,920 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 16:50:25,920 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:50:26,026 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-24 16:50:26,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:50:26,026 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969366648] [2025-04-24 16:50:26,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969366648] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 16:50:26,026 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [814556711] [2025-04-24 16:50:26,026 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 16:50:26,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:50:26,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 16:50:26,028 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 16:50:26,030 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-04-24 16:50:26,096 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 40 statements into 2 equivalence classes. [2025-04-24 16:50:26,139 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 40 of 40 statements. [2025-04-24 16:50:26,139 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 16:50:26,139 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:50:26,141 INFO L256 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-04-24 16:50:26,142 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 16:50:26,261 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-24 16:50:26,262 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 16:50:26,329 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-24 16:50:26,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [814556711] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 16:50:26,329 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 16:50:26,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 16 [2025-04-24 16:50:26,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664782524] [2025-04-24 16:50:26,329 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 16:50:26,330 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-24 16:50:26,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:50:26,330 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-24 16:50:26,331 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2025-04-24 16:50:26,331 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:26,331 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:50:26,331 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.235294117647059) internal successors, (72), 16 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 16:50:26,331 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:26,331 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:26,331 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:26,331 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:26,331 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:26,332 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:26,332 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:26,332 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:50:26,332 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:26,332 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:50:26,332 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 16:50:26,332 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:26,459 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:26,460 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:26,460 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:26,460 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:26,460 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:26,460 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:26,460 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:26,460 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:50:26,460 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:26,460 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:50:26,460 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 16:50:26,460 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:26,467 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-04-24 16:50:26,661 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:50:26,661 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:50:26,661 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:50:26,661 INFO L139 ounterexampleChecker]: Examining path program with hash -1620976608, occurence #2 [2025-04-24 16:50:26,661 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 16:50:26,661 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 16:50:26,661 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:26,661 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-24 16:50:26,661 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:26,661 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-24 16:50:26,661 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:26,662 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-04-24 16:50:26,662 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:26,662 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2025-04-24 16:50:26,662 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:26,662 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-24 16:50:26,662 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:26,662 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-04-24 16:50:26,662 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:26,662 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 16:50:26,662 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:50:26,662 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:50:26,662 INFO L85 PathProgramCache]: Analyzing trace with hash -983028956, now seen corresponding path program 6 times [2025-04-24 16:50:26,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:50:26,662 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024873518] [2025-04-24 16:50:26,662 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 16:50:26,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:50:26,677 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 41 statements into 3 equivalence classes. [2025-04-24 16:50:26,725 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) and asserted 41 of 41 statements. [2025-04-24 16:50:26,725 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2025-04-24 16:50:26,725 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:50:26,837 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-04-24 16:50:26,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:50:26,838 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024873518] [2025-04-24 16:50:26,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024873518] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 16:50:26,838 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [538334338] [2025-04-24 16:50:26,838 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 16:50:26,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:50:26,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 16:50:26,840 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 16:50:26,860 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-04-24 16:50:26,926 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 41 statements into 3 equivalence classes. [2025-04-24 16:50:26,962 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) and asserted 41 of 41 statements. [2025-04-24 16:50:26,962 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2025-04-24 16:50:26,962 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:50:26,964 INFO L256 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-04-24 16:50:26,965 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 16:50:27,098 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-04-24 16:50:27,098 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 16:50:27,187 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-04-24 16:50:27,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [538334338] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 16:50:27,187 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 16:50:27,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 19 [2025-04-24 16:50:27,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906842776] [2025-04-24 16:50:27,187 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 16:50:27,188 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-04-24 16:50:27,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:50:27,189 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-04-24 16:50:27,189 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=266, Unknown=0, NotChecked=0, Total=380 [2025-04-24 16:50:27,190 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:27,190 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:50:27,190 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 4.25) internal successors, (85), 19 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 16:50:27,190 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:27,190 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:27,190 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:27,190 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:27,190 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:27,190 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:27,190 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:27,190 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:50:27,190 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:27,190 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:50:27,190 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 16:50:27,190 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:27,191 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:27,359 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:27,359 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:27,359 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:27,359 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:27,359 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:27,359 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:27,359 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:27,359 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:50:27,359 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:27,359 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:50:27,359 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 16:50:27,360 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:27,360 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:27,366 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-04-24 16:50:27,560 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:50:27,561 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:50:27,561 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:50:27,561 INFO L139 ounterexampleChecker]: Examining path program with hash -1620976608, occurence #3 [2025-04-24 16:50:27,561 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 16:50:27,561 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 16:50:27,561 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:27,562 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-24 16:50:27,562 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:27,562 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-04-24 16:50:27,562 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:27,562 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-04-24 16:50:27,562 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:27,562 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-04-24 16:50:27,562 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:27,562 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-24 16:50:27,562 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:27,562 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-24 16:50:27,562 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:27,562 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 16:50:27,562 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:50:27,563 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:50:27,563 INFO L85 PathProgramCache]: Analyzing trace with hash 624170725, now seen corresponding path program 7 times [2025-04-24 16:50:27,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:50:27,563 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724473512] [2025-04-24 16:50:27,563 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 16:50:27,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:50:27,574 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-04-24 16:50:27,585 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-04-24 16:50:27,586 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 16:50:27,586 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:50:27,745 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-04-24 16:50:27,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:50:27,746 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724473512] [2025-04-24 16:50:27,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724473512] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 16:50:27,746 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [22688565] [2025-04-24 16:50:27,746 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 16:50:27,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:50:27,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 16:50:27,748 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 16:50:27,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-04-24 16:50:27,822 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-04-24 16:50:27,849 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-04-24 16:50:27,850 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 16:50:27,850 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:50:27,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-04-24 16:50:27,855 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 16:50:28,040 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-04-24 16:50:28,040 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 16:50:28,260 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-04-24 16:50:28,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [22688565] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 16:50:28,260 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 16:50:28,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 26 [2025-04-24 16:50:28,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826552065] [2025-04-24 16:50:28,260 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 16:50:28,261 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2025-04-24 16:50:28,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:50:28,261 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2025-04-24 16:50:28,261 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=595, Unknown=0, NotChecked=0, Total=702 [2025-04-24 16:50:28,261 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:28,262 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:50:28,262 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 3.7037037037037037) internal successors, (100), 26 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 16:50:28,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:28,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:28,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:28,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:28,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:28,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:28,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:28,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:50:28,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:28,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:50:28,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 16:50:28,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:28,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:28,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:29,098 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:29,098 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:29,099 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:29,099 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:29,099 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:29,099 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:29,099 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:29,099 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:50:29,099 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:29,099 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:50:29,099 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:50:29,099 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:29,099 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:29,099 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:50:29,106 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-04-24 16:50:29,304 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2025-04-24 16:50:29,304 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:50:29,304 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:50:29,304 INFO L139 ounterexampleChecker]: Examining path program with hash -1014258806, occurence #2 [2025-04-24 16:50:29,304 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 16:50:29,304 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 16:50:29,304 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:29,304 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-24 16:50:29,304 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:29,304 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-04-24 16:50:29,304 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:29,304 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-04-24 16:50:29,304 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:29,304 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-04-24 16:50:29,304 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:29,305 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-24 16:50:29,305 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:29,305 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-04-24 16:50:29,305 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:29,305 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 16:50:29,305 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:50:29,305 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:50:29,305 INFO L85 PathProgramCache]: Analyzing trace with hash -1577766750, now seen corresponding path program 1 times [2025-04-24 16:50:29,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:50:29,305 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871604106] [2025-04-24 16:50:29,305 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 16:50:29,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:50:29,315 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-04-24 16:50:29,321 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-04-24 16:50:29,322 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 16:50:29,322 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:50:29,518 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-24 16:50:29,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:50:29,518 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871604106] [2025-04-24 16:50:29,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871604106] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 16:50:29,518 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1260978137] [2025-04-24 16:50:29,518 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 16:50:29,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:50:29,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 16:50:29,521 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 16:50:29,542 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-04-24 16:50:29,614 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-04-24 16:50:29,642 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-04-24 16:50:29,642 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 16:50:29,642 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:50:29,643 INFO L256 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-04-24 16:50:29,645 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 16:50:29,850 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-24 16:50:29,850 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 16:50:30,042 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-24 16:50:30,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1260978137] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 16:50:30,042 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 16:50:30,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 30 [2025-04-24 16:50:30,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924538478] [2025-04-24 16:50:30,043 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 16:50:30,043 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2025-04-24 16:50:30,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:50:30,044 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2025-04-24 16:50:30,044 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=204, Invalid=726, Unknown=0, NotChecked=0, Total=930 [2025-04-24 16:50:30,044 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:30,044 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:50:30,044 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 3.161290322580645) internal successors, (98), 30 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 16:50:30,044 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:30,044 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:30,044 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:30,044 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:30,045 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:30,045 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:30,045 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:30,045 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:50:30,045 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:30,045 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:50:30,045 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:50:30,045 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:30,045 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:30,045 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:50:30,045 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:30,405 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:30,405 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:30,405 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:30,405 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:30,405 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:30,405 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:30,405 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:30,405 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:50:30,405 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:30,405 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:50:30,405 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:50:30,405 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:30,405 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:30,405 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:50:30,405 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:50:30,412 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-04-24 16:50:30,606 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:50:30,607 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:50:30,607 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:50:30,607 INFO L139 ounterexampleChecker]: Examining path program with hash 635490477, occurence #1 [2025-04-24 16:50:30,607 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 16:50:30,607 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:50:30,607 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:50:30,607 INFO L85 PathProgramCache]: Analyzing trace with hash -1391143972, now seen corresponding path program 2 times [2025-04-24 16:50:30,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:50:30,608 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612227004] [2025-04-24 16:50:30,608 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 16:50:30,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:50:30,619 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 45 statements into 2 equivalence classes. [2025-04-24 16:50:30,633 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 45 of 45 statements. [2025-04-24 16:50:30,633 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 16:50:30,633 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:50:30,970 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-04-24 16:50:30,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:50:30,970 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612227004] [2025-04-24 16:50:30,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612227004] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 16:50:30,971 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [859782051] [2025-04-24 16:50:30,971 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 16:50:30,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:50:30,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 16:50:30,973 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 16:50:30,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-04-24 16:50:31,053 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 45 statements into 2 equivalence classes. [2025-04-24 16:50:31,084 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 45 of 45 statements. [2025-04-24 16:50:31,085 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 16:50:31,085 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:50:31,086 INFO L256 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-04-24 16:50:31,088 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 16:50:31,326 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-04-24 16:50:31,326 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 16:50:31,343 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-24 16:50:31,343 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 55 [2025-04-24 16:50:31,608 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-04-24 16:50:31,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [859782051] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 16:50:31,612 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 16:50:31,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 13] total 37 [2025-04-24 16:50:31,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991980439] [2025-04-24 16:50:31,612 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 16:50:31,612 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2025-04-24 16:50:31,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:50:31,613 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2025-04-24 16:50:31,613 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=1163, Unknown=0, NotChecked=0, Total=1332 [2025-04-24 16:50:31,613 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:31,613 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:50:31,613 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 3.2162162162162162) internal successors, (119), 37 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 16:50:31,613 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:31,613 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:31,613 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:31,613 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:31,613 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:31,613 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:31,613 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:31,613 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:50:31,613 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:31,614 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:50:31,614 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:50:31,614 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:31,614 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:31,614 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:50:31,614 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:50:31,614 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:32,089 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:32,089 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:32,089 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:32,089 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:32,089 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:32,089 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:32,089 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:32,089 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:50:32,090 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:32,090 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:50:32,090 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:50:32,090 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:32,090 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:32,090 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:50:32,090 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:50:32,090 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:50:32,097 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-04-24 16:50:32,291 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-04-24 16:50:32,291 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:50:32,291 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:50:32,291 INFO L139 ounterexampleChecker]: Examining path program with hash 635490477, occurence #2 [2025-04-24 16:50:32,291 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 16:50:32,291 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 16:50:32,291 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:32,291 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-24 16:50:32,291 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:32,291 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-24 16:50:32,291 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:32,291 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-04-24 16:50:32,291 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:32,291 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-04-24 16:50:32,291 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:32,291 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-24 16:50:32,291 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:32,291 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2025-04-24 16:50:32,291 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:32,291 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 16:50:32,291 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:50:32,292 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:50:32,292 INFO L85 PathProgramCache]: Analyzing trace with hash 1992523208, now seen corresponding path program 3 times [2025-04-24 16:50:32,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:50:32,292 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999315745] [2025-04-24 16:50:32,292 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 16:50:32,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:50:32,301 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 46 statements into 3 equivalence classes. [2025-04-24 16:50:32,310 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 43 of 46 statements. [2025-04-24 16:50:32,310 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-24 16:50:32,310 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:50:32,432 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-04-24 16:50:32,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:50:32,432 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999315745] [2025-04-24 16:50:32,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999315745] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 16:50:32,433 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [844739748] [2025-04-24 16:50:32,433 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 16:50:32,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:50:32,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 16:50:32,435 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 16:50:32,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-04-24 16:50:32,519 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 46 statements into 3 equivalence classes. [2025-04-24 16:50:32,558 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 43 of 46 statements. [2025-04-24 16:50:32,559 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-24 16:50:32,559 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:50:32,561 INFO L256 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-04-24 16:50:32,564 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 16:50:32,742 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-04-24 16:50:32,743 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 16:50:32,758 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-24 16:50:32,759 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 55 [2025-04-24 16:50:32,849 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-04-24 16:50:32,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [844739748] provided 1 perfect and 1 imperfect interpolant sequences [2025-04-24 16:50:32,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-04-24 16:50:32,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 8] total 14 [2025-04-24 16:50:32,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333069369] [2025-04-24 16:50:32,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 16:50:32,850 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-04-24 16:50:32,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:50:32,850 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-04-24 16:50:32,850 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2025-04-24 16:50:32,851 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:32,851 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:50:32,851 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 16:50:32,851 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:32,851 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:32,851 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:32,851 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:32,851 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:32,851 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:32,851 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:32,851 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:50:32,851 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:32,851 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:50:32,851 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:50:32,851 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:32,851 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:32,851 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:50:32,851 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:50:32,851 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:50:32,851 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:33,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:33,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:33,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:33,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:33,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:33,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:33,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:33,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:50:33,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:33,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:50:33,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:50:33,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:33,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:33,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:50:33,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:50:33,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:50:33,021 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:33,027 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-04-24 16:50:33,221 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-04-24 16:50:33,222 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:50:33,222 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:50:33,222 INFO L139 ounterexampleChecker]: Examining path program with hash -442721351, occurence #1 [2025-04-24 16:50:33,222 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 16:50:33,222 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:50:33,222 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:50:33,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1031753930, now seen corresponding path program 4 times [2025-04-24 16:50:33,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:50:33,222 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517519574] [2025-04-24 16:50:33,222 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 16:50:33,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:50:33,241 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 48 statements into 2 equivalence classes. [2025-04-24 16:50:33,265 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 48 of 48 statements. [2025-04-24 16:50:33,269 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 16:50:33,270 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:50:33,675 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2025-04-24 16:50:33,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:50:33,675 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517519574] [2025-04-24 16:50:33,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517519574] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 16:50:33,675 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1076921638] [2025-04-24 16:50:33,675 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 16:50:33,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:50:33,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 16:50:33,678 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 16:50:33,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-04-24 16:50:33,760 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 48 statements into 2 equivalence classes. [2025-04-24 16:50:33,789 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 48 of 48 statements. [2025-04-24 16:50:33,789 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 16:50:33,789 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:50:33,791 INFO L256 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 41 conjuncts are in the unsatisfiable core [2025-04-24 16:50:33,793 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 16:50:34,442 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2025-04-24 16:50:34,443 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 16:50:34,788 INFO L325 Elim1Store]: treesize reduction 4, result has 98.3 percent of original size [2025-04-24 16:50:34,789 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 60 treesize of output 236 [2025-04-24 16:50:40,833 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2025-04-24 16:50:40,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1076921638] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 16:50:40,833 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 16:50:40,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13, 9] total 32 [2025-04-24 16:50:40,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302124979] [2025-04-24 16:50:40,833 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 16:50:40,834 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2025-04-24 16:50:40,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:50:40,834 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2025-04-24 16:50:40,834 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=942, Unknown=0, NotChecked=0, Total=1056 [2025-04-24 16:50:40,834 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:40,834 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:50:40,835 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 3.757575757575758) internal successors, (124), 32 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 16:50:40,835 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:40,835 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:40,835 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:40,835 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:40,835 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:40,835 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:40,835 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:40,835 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:50:40,835 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:40,835 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:50:40,835 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:50:40,835 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:40,835 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:40,835 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:50:40,835 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:50:40,835 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:50:40,835 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:40,835 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:41,956 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:41,956 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:41,956 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:41,956 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:41,956 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:41,956 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:41,956 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:41,956 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:50:41,956 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:41,956 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:50:41,956 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:50:41,956 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:41,956 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:41,956 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:50:41,956 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:50:41,956 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:50:41,956 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:41,958 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-24 16:50:41,965 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2025-04-24 16:50:42,159 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-04-24 16:50:42,159 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:50:42,159 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:50:42,159 INFO L139 ounterexampleChecker]: Examining path program with hash -1014258806, occurence #3 [2025-04-24 16:50:42,159 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 16:50:42,159 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 16:50:42,159 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:42,159 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-24 16:50:42,159 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:42,159 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-24 16:50:42,159 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:42,159 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-04-24 16:50:42,159 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:42,159 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-04-24 16:50:42,159 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:42,159 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2025-04-24 16:50:42,159 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:42,159 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 16:50:42,159 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:50:42,160 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:50:42,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1018376278, now seen corresponding path program 8 times [2025-04-24 16:50:42,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:50:42,160 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862676203] [2025-04-24 16:50:42,160 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 16:50:42,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:50:42,170 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 49 statements into 2 equivalence classes. [2025-04-24 16:50:42,181 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 49 of 49 statements. [2025-04-24 16:50:42,181 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 16:50:42,181 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:50:42,357 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 4 proven. 24 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-24 16:50:42,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:50:42,358 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862676203] [2025-04-24 16:50:42,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862676203] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 16:50:42,358 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [760490143] [2025-04-24 16:50:42,358 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 16:50:42,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:50:42,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 16:50:42,361 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 16:50:42,362 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-04-24 16:50:42,451 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 49 statements into 2 equivalence classes. [2025-04-24 16:50:42,486 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 49 of 49 statements. [2025-04-24 16:50:42,486 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 16:50:42,486 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:50:42,488 INFO L256 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-04-24 16:50:42,490 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 16:50:42,821 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-24 16:50:42,821 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 16:50:42,836 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-24 16:50:42,836 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 55 [2025-04-24 16:50:43,161 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-24 16:50:43,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [760490143] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 16:50:43,161 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 16:50:43,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 15, 15] total 39 [2025-04-24 16:50:43,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859694689] [2025-04-24 16:50:43,162 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 16:50:43,162 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2025-04-24 16:50:43,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:50:43,162 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2025-04-24 16:50:43,163 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=1347, Unknown=0, NotChecked=0, Total=1560 [2025-04-24 16:50:43,163 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:43,163 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:50:43,163 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 3.475) internal successors, (139), 39 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 16:50:43,163 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:43,163 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:43,163 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:43,163 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:43,163 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:43,163 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:43,163 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:43,163 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:50:43,163 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:43,163 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:50:43,163 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:50:43,163 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:43,163 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:43,163 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:50:43,163 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:50:43,163 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:50:43,163 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:43,163 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-24 16:50:43,163 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:43,838 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:43,838 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:43,838 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:43,838 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:43,838 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:43,838 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:43,838 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:43,838 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:50:43,838 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:43,838 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:50:43,838 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:50:43,838 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:43,838 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:43,838 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:50:43,838 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:50:43,838 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:50:43,838 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:43,839 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 16:50:43,839 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:50:43,846 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-04-24 16:50:44,044 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:50:44,044 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:50:44,044 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:50:44,044 INFO L139 ounterexampleChecker]: Examining path program with hash -268649033, occurence #3 [2025-04-24 16:50:44,044 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 16:50:44,044 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 16:50:44,044 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:44,044 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-24 16:50:44,044 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:44,044 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-24 16:50:44,044 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:44,044 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-04-24 16:50:44,044 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:44,044 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-04-24 16:50:44,044 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:44,044 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2025-04-24 16:50:44,044 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:44,045 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2025-04-24 16:50:44,045 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:44,045 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 16:50:44,045 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:50:44,045 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:50:44,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1425468688, now seen corresponding path program 9 times [2025-04-24 16:50:44,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:50:44,046 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784018883] [2025-04-24 16:50:44,046 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 16:50:44,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:50:44,056 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 53 statements into 4 equivalence classes. [2025-04-24 16:50:44,088 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 47 of 53 statements. [2025-04-24 16:50:44,088 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-04-24 16:50:44,088 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:50:44,320 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-04-24 16:50:44,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:50:44,320 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784018883] [2025-04-24 16:50:44,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784018883] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 16:50:44,320 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1233720772] [2025-04-24 16:50:44,320 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 16:50:44,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:50:44,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 16:50:44,325 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 16:50:44,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-04-24 16:50:44,414 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 53 statements into 4 equivalence classes. [2025-04-24 16:50:44,455 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 47 of 53 statements. [2025-04-24 16:50:44,455 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-04-24 16:50:44,455 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:50:44,457 INFO L256 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-04-24 16:50:44,458 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 16:50:44,639 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-04-24 16:50:44,640 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 16:50:44,652 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-24 16:50:44,653 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 39 [2025-04-24 16:50:44,815 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-04-24 16:50:44,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1233720772] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 16:50:44,815 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 16:50:44,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 33 [2025-04-24 16:50:44,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356548531] [2025-04-24 16:50:44,815 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 16:50:44,815 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2025-04-24 16:50:44,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:50:44,816 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2025-04-24 16:50:44,816 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=221, Invalid=901, Unknown=0, NotChecked=0, Total=1122 [2025-04-24 16:50:44,816 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:44,816 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:50:44,816 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 2.588235294117647) internal successors, (88), 33 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 16:50:44,816 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:44,816 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:44,816 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:44,816 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:44,816 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:44,816 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:44,816 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:44,816 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:50:44,816 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:44,816 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:50:44,817 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:50:44,817 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:44,817 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:44,817 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:50:44,817 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:50:44,817 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:50:44,817 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:44,817 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 16:50:44,817 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:50:44,817 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:45,005 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:45,005 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:45,005 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:45,005 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:45,005 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:45,005 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:45,005 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:45,005 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:50:45,005 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:45,005 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:50:45,006 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:50:45,006 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:45,006 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:45,006 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:50:45,006 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:50:45,006 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:50:45,006 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:45,006 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 16:50:45,006 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:50:45,006 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:45,013 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-04-24 16:50:45,207 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:50:45,207 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:50:45,207 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:50:45,207 INFO L139 ounterexampleChecker]: Examining path program with hash -268649033, occurence #4 [2025-04-24 16:50:45,207 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 16:50:45,207 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 16:50:45,207 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:45,207 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-04-24 16:50:45,207 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:45,207 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-04-24 16:50:45,207 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:45,207 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2025-04-24 16:50:45,207 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:45,207 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2025-04-24 16:50:45,207 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:45,207 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-04-24 16:50:45,207 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:45,208 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-04-24 16:50:45,208 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:45,208 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 16:50:45,208 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:50:45,208 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:50:45,208 INFO L85 PathProgramCache]: Analyzing trace with hash 2101491517, now seen corresponding path program 10 times [2025-04-24 16:50:45,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:50:45,208 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814334335] [2025-04-24 16:50:45,208 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 16:50:45,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:50:45,218 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 54 statements into 2 equivalence classes. [2025-04-24 16:50:45,221 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 41 of 54 statements. [2025-04-24 16:50:45,221 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 16:50:45,221 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:50:45,505 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-04-24 16:50:45,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:50:45,505 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814334335] [2025-04-24 16:50:45,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814334335] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 16:50:45,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 16:50:45,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2025-04-24 16:50:45,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300409488] [2025-04-24 16:50:45,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 16:50:45,505 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-04-24 16:50:45,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:50:45,506 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-04-24 16:50:45,506 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2025-04-24 16:50:45,506 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:45,506 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:50:45,506 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.727272727272727) internal successors, (41), 11 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 16:50:45,506 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:45,506 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:45,506 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:45,506 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:45,506 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:45,506 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:45,506 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:45,506 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:50:45,506 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:45,506 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:50:45,506 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:50:45,506 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:45,506 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:45,506 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:50:45,506 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:50:45,506 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:50:45,506 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:45,506 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 16:50:45,506 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:50:45,506 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:45,506 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:45,901 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:45,901 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:45,901 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:45,901 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:45,901 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:45,901 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:45,901 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:45,901 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:50:45,901 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:45,901 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:50:45,901 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:50:45,901 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:45,901 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:45,901 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:50:45,901 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:50:45,901 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:50:45,901 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:45,901 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 16:50:45,901 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:50:45,901 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:45,901 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:50:45,901 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2025-04-24 16:50:45,902 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:50:45,902 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:50:45,905 INFO L139 ounterexampleChecker]: Examining path program with hash -268649033, occurence #5 [2025-04-24 16:50:45,906 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 16:50:45,906 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 16:50:45,906 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:45,906 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-04-24 16:50:45,906 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:45,906 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-04-24 16:50:45,906 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:45,906 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2025-04-24 16:50:45,906 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:45,906 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2025-04-24 16:50:45,906 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:45,906 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-04-24 16:50:45,906 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:45,906 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2025-04-24 16:50:45,906 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:45,906 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-04-24 16:50:45,906 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:45,906 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 16:50:45,906 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:50:45,906 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:50:45,906 INFO L85 PathProgramCache]: Analyzing trace with hash 751012464, now seen corresponding path program 5 times [2025-04-24 16:50:45,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:50:45,906 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800764522] [2025-04-24 16:50:45,906 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 16:50:45,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:50:45,918 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 55 statements into 4 equivalence classes. [2025-04-24 16:50:45,929 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) and asserted 55 of 55 statements. [2025-04-24 16:50:45,929 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2025-04-24 16:50:45,929 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:50:46,033 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2025-04-24 16:50:46,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:50:46,034 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800764522] [2025-04-24 16:50:46,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800764522] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 16:50:46,034 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2137575791] [2025-04-24 16:50:46,034 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 16:50:46,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:50:46,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 16:50:46,037 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 16:50:46,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-04-24 16:50:46,144 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 55 statements into 4 equivalence classes. [2025-04-24 16:50:46,353 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) and asserted 55 of 55 statements. [2025-04-24 16:50:46,353 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2025-04-24 16:50:46,353 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:50:46,355 INFO L256 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-04-24 16:50:46,357 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 16:50:46,507 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2025-04-24 16:50:46,507 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 16:50:46,607 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2025-04-24 16:50:46,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2137575791] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 16:50:46,607 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 16:50:46,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 22 [2025-04-24 16:50:46,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32040501] [2025-04-24 16:50:46,607 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 16:50:46,608 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-04-24 16:50:46,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:50:46,608 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-04-24 16:50:46,608 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=353, Unknown=0, NotChecked=0, Total=506 [2025-04-24 16:50:46,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:46,608 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:50:46,608 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.086956521739131) internal successors, (94), 22 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 16:50:46,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:46,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:46,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:46,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:46,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:46,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:46,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:46,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:50:46,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:46,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:50:46,609 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:50:46,609 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:46,609 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:46,609 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:50:46,609 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:50:46,609 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:50:46,609 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:46,609 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 16:50:46,609 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:50:46,609 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:46,609 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:50:46,609 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:46,726 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:46,726 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:46,726 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:46,726 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:46,726 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:46,726 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:46,726 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:46,726 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:50:46,726 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:46,726 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:50:46,726 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:50:46,726 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:46,726 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:46,726 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:50:46,726 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:50:46,726 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:50:46,726 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:46,726 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 16:50:46,726 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:50:46,726 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:46,726 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:50:46,727 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:46,736 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2025-04-24 16:50:46,927 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:50:46,928 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:50:46,928 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:50:46,928 INFO L139 ounterexampleChecker]: Examining path program with hash -268649033, occurence #6 [2025-04-24 16:50:46,928 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 16:50:46,928 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 16:50:46,928 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:46,928 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-04-24 16:50:46,928 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:46,928 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-04-24 16:50:46,928 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:46,928 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-04-24 16:50:46,928 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:46,928 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-04-24 16:50:46,928 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:46,928 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2025-04-24 16:50:46,928 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:46,928 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-04-24 16:50:46,928 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:46,928 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-24 16:50:46,928 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:46,928 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 16:50:46,928 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:50:46,929 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:50:46,929 INFO L85 PathProgramCache]: Analyzing trace with hash 2008727934, now seen corresponding path program 6 times [2025-04-24 16:50:46,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:50:46,929 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144228670] [2025-04-24 16:50:46,929 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 16:50:46,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:50:46,939 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 56 statements into 4 equivalence classes. [2025-04-24 16:50:46,977 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) and asserted 56 of 56 statements. [2025-04-24 16:50:46,977 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2025-04-24 16:50:46,977 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:50:47,116 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 10 proven. 23 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-04-24 16:50:47,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:50:47,116 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144228670] [2025-04-24 16:50:47,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144228670] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 16:50:47,116 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [803698402] [2025-04-24 16:50:47,116 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 16:50:47,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:50:47,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 16:50:47,118 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 16:50:47,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-04-24 16:50:47,221 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 56 statements into 4 equivalence classes. [2025-04-24 16:50:47,281 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) and asserted 56 of 56 statements. [2025-04-24 16:50:47,281 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2025-04-24 16:50:47,281 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:50:47,283 INFO L256 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-04-24 16:50:47,284 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 16:50:47,456 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 23 proven. 10 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-04-24 16:50:47,456 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 16:50:47,612 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 23 proven. 10 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-04-24 16:50:47,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [803698402] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 16:50:47,612 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 16:50:47,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 32 [2025-04-24 16:50:47,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916863635] [2025-04-24 16:50:47,613 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 16:50:47,613 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2025-04-24 16:50:47,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:50:47,613 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2025-04-24 16:50:47,614 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=205, Invalid=851, Unknown=0, NotChecked=0, Total=1056 [2025-04-24 16:50:47,614 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:47,614 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:50:47,614 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 4.333333333333333) internal successors, (143), 32 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 16:50:47,614 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:47,614 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:47,614 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:47,614 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:47,614 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:47,614 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:47,614 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:47,614 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:50:47,614 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:47,614 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:50:47,614 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:50:47,614 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:47,614 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:47,614 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:50:47,614 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:50:47,614 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:50:47,614 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:47,614 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 16:50:47,614 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:50:47,614 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:47,614 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:50:47,614 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:47,614 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:47,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:47,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:47,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:47,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:47,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:47,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:47,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:47,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:50:47,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:47,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:50:47,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:50:47,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:47,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:47,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:50:47,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:50:47,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:50:47,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:47,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 16:50:47,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:50:47,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:47,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:50:47,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:47,869 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:50:47,876 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-04-24 16:50:48,069 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2025-04-24 16:50:48,070 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:50:48,070 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:50:48,070 INFO L139 ounterexampleChecker]: Examining path program with hash -268649033, occurence #7 [2025-04-24 16:50:48,070 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 16:50:48,070 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 16:50:48,070 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:48,070 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-04-24 16:50:48,070 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:48,070 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2025-04-24 16:50:48,070 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:48,070 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2025-04-24 16:50:48,070 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:48,070 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2025-04-24 16:50:48,070 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:48,070 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-04-24 16:50:48,070 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:48,070 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-24 16:50:48,070 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:48,070 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-24 16:50:48,070 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:48,070 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 16:50:48,070 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:50:48,071 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:50:48,071 INFO L85 PathProgramCache]: Analyzing trace with hash -1413818403, now seen corresponding path program 7 times [2025-04-24 16:50:48,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:50:48,071 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094239185] [2025-04-24 16:50:48,071 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 16:50:48,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:50:48,081 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-04-24 16:50:48,087 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-04-24 16:50:48,088 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 16:50:48,088 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:50:48,287 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2025-04-24 16:50:48,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:50:48,287 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094239185] [2025-04-24 16:50:48,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094239185] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 16:50:48,287 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1768547466] [2025-04-24 16:50:48,287 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 16:50:48,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:50:48,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 16:50:48,289 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 16:50:48,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-04-24 16:50:48,398 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-04-24 16:50:48,434 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-04-24 16:50:48,434 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 16:50:48,434 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:50:48,436 INFO L256 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-04-24 16:50:48,438 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 16:50:48,625 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2025-04-24 16:50:48,625 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 16:50:48,645 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-24 16:50:48,646 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 55 [2025-04-24 16:50:48,793 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 15 proven. 21 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2025-04-24 16:50:48,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1768547466] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 16:50:48,793 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 16:50:48,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 28 [2025-04-24 16:50:48,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122427234] [2025-04-24 16:50:48,794 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 16:50:48,794 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2025-04-24 16:50:48,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:50:48,794 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2025-04-24 16:50:48,794 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=183, Invalid=629, Unknown=0, NotChecked=0, Total=812 [2025-04-24 16:50:48,794 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:48,794 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:50:48,795 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 4.793103448275862) internal successors, (139), 28 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 16:50:48,795 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:48,795 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:48,795 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:48,795 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:48,795 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:48,795 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:48,795 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:48,795 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:50:48,795 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:48,795 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:50:48,795 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:50:48,795 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:48,795 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:48,795 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:50:48,795 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:50:48,795 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:50:48,795 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:48,795 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 16:50:48,795 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:50:48,795 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:48,795 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:50:48,795 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:48,795 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:50:48,795 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:49,385 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:49,385 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:49,385 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:49,385 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:49,385 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:49,385 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:49,385 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:49,385 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:50:49,385 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:49,385 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:50:49,385 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:50:49,385 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:49,385 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:49,385 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:50:49,385 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:50:49,385 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:50:49,385 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:49,385 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:50:49,385 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:50:49,385 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:49,385 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:50:49,385 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:49,386 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:50:49,386 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:50:49,393 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2025-04-24 16:50:49,586 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:50:49,586 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:50:49,586 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:50:49,587 INFO L139 ounterexampleChecker]: Examining path program with hash -442721351, occurence #2 [2025-04-24 16:50:49,587 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 16:50:49,587 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 16:50:49,587 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:49,587 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-04-24 16:50:49,587 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:49,587 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2025-04-24 16:50:49,587 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:49,587 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2025-04-24 16:50:49,587 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:49,587 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2025-04-24 16:50:49,587 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:49,587 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-04-24 16:50:49,587 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:49,587 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 16:50:49,587 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:50:49,587 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:50:49,587 INFO L85 PathProgramCache]: Analyzing trace with hash 1053664907, now seen corresponding path program 11 times [2025-04-24 16:50:49,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:50:49,587 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410880299] [2025-04-24 16:50:49,587 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 16:50:49,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:50:49,597 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 63 statements into 4 equivalence classes. [2025-04-24 16:50:49,609 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) and asserted 63 of 63 statements. [2025-04-24 16:50:49,610 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2025-04-24 16:50:49,610 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:50:49,727 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 34 proven. 6 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-04-24 16:50:49,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:50:49,727 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410880299] [2025-04-24 16:50:49,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410880299] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 16:50:49,728 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1292180490] [2025-04-24 16:50:49,728 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 16:50:49,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:50:49,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 16:50:49,730 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 16:50:49,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-04-24 16:50:49,846 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 63 statements into 4 equivalence classes. [2025-04-24 16:50:50,122 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) and asserted 63 of 63 statements. [2025-04-24 16:50:50,122 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2025-04-24 16:50:50,122 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:50:50,128 INFO L256 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-04-24 16:50:50,130 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 16:50:50,281 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 33 proven. 6 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-04-24 16:50:50,282 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 16:50:50,378 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 33 proven. 6 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-04-24 16:50:50,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1292180490] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 16:50:50,378 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 16:50:50,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 23 [2025-04-24 16:50:50,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848535745] [2025-04-24 16:50:50,378 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 16:50:50,379 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-04-24 16:50:50,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:50:50,379 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-04-24 16:50:50,379 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=389, Unknown=0, NotChecked=0, Total=552 [2025-04-24 16:50:50,379 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:50,379 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:50:50,379 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 4.125) internal successors, (99), 23 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 16:50:50,379 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:50,379 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:50,379 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:50,379 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:50,379 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:50,379 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:50,379 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:50,379 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:50:50,379 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:50,379 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:50:50,379 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:50:50,380 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:50,380 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:50,380 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:50:50,380 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:50:50,380 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:50:50,380 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:50,380 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:50:50,380 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:50:50,380 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:50,380 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:50:50,380 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:50,380 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:50:50,380 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:50:50,380 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:50,528 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:50,528 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:50,528 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:50,528 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:50,528 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:50,528 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:50,528 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:50,528 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:50:50,528 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:50,528 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:50:50,528 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:50:50,528 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:50,528 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:50,528 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:50:50,528 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:50:50,528 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:50:50,528 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:50,528 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:50:50,528 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:50:50,528 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:50,528 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:50:50,528 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:50,528 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:50:50,528 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:50:50,529 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:50,549 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2025-04-24 16:50:50,730 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2025-04-24 16:50:50,730 INFO L403 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:50:50,730 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:50:50,730 INFO L139 ounterexampleChecker]: Examining path program with hash -442721351, occurence #3 [2025-04-24 16:50:50,730 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 16:50:50,730 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 16:50:50,730 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:50,730 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-04-24 16:50:50,730 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:50,731 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-04-24 16:50:50,731 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:50,731 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-04-24 16:50:50,731 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:50,731 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-04-24 16:50:50,731 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:50,731 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2025-04-24 16:50:50,731 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:50,731 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 16:50:50,731 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:50:50,731 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:50:50,731 INFO L85 PathProgramCache]: Analyzing trace with hash -53964660, now seen corresponding path program 12 times [2025-04-24 16:50:50,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:50:50,731 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425749043] [2025-04-24 16:50:50,731 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 16:50:50,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:50:50,746 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 64 statements into 4 equivalence classes. [2025-04-24 16:50:50,780 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) and asserted 52 of 64 statements. [2025-04-24 16:50:50,780 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2025-04-24 16:50:50,780 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:50:51,117 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2025-04-24 16:50:51,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:50:51,118 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425749043] [2025-04-24 16:50:51,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425749043] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 16:50:51,118 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [665628487] [2025-04-24 16:50:51,118 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 16:50:51,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:50:51,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 16:50:51,120 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 16:50:51,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-04-24 16:50:51,228 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 64 statements into 4 equivalence classes. [2025-04-24 16:50:51,258 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) and asserted 52 of 64 statements. [2025-04-24 16:50:51,258 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2025-04-24 16:50:51,258 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:50:51,260 INFO L256 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-04-24 16:50:51,262 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 16:50:51,509 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2025-04-24 16:50:51,509 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-04-24 16:50:51,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [665628487] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 16:50:51,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-04-24 16:50:51,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [11] total 18 [2025-04-24 16:50:51,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992798647] [2025-04-24 16:50:51,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 16:50:51,510 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-04-24 16:50:51,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:50:51,510 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-04-24 16:50:51,510 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=219, Unknown=0, NotChecked=0, Total=306 [2025-04-24 16:50:51,510 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:51,510 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:50:51,510 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 11 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 16:50:51,510 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:51,510 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:51,510 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:51,510 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:51,510 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:51,510 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:51,511 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:51,511 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:50:51,511 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:51,511 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:50:51,511 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:50:51,511 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:51,511 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:51,511 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:50:51,511 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:50:51,511 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:50:51,511 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:51,511 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:50:51,511 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:50:51,511 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:51,511 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:50:51,511 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:51,511 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:50:51,511 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:50:51,511 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:51,511 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:51,753 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:51,753 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:51,753 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:51,753 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:51,753 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:51,753 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:51,753 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:51,753 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:50:51,753 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:51,753 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:50:51,753 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:50:51,753 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:51,753 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:51,753 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:50:51,753 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:50:51,753 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:50:51,753 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:51,753 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:50:51,753 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:50:51,753 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:51,753 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:50:51,753 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:51,753 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:50:51,753 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:50:51,753 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:51,753 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 16:50:51,760 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-04-24 16:50:51,953 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2025-04-24 16:50:51,954 INFO L403 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:50:51,954 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:50:51,954 INFO L139 ounterexampleChecker]: Examining path program with hash -906067869, occurence #1 [2025-04-24 16:50:51,954 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 16:50:51,954 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:50:51,954 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:50:51,954 INFO L85 PathProgramCache]: Analyzing trace with hash 298564868, now seen corresponding path program 1 times [2025-04-24 16:50:51,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:50:51,954 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528704805] [2025-04-24 16:50:51,954 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 16:50:51,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:50:51,965 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-04-24 16:50:51,971 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-04-24 16:50:51,972 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 16:50:51,972 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:50:52,137 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 28 proven. 16 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2025-04-24 16:50:52,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:50:52,138 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528704805] [2025-04-24 16:50:52,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528704805] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 16:50:52,138 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [533885229] [2025-04-24 16:50:52,138 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 16:50:52,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:50:52,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 16:50:52,140 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 16:50:52,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-04-24 16:50:52,254 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-04-24 16:50:52,288 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-04-24 16:50:52,288 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 16:50:52,288 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:50:52,290 INFO L256 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-04-24 16:50:52,291 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 16:50:52,448 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 34 proven. 10 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2025-04-24 16:50:52,448 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 16:50:52,550 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 34 proven. 10 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2025-04-24 16:50:52,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [533885229] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 16:50:52,550 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 16:50:52,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 29 [2025-04-24 16:50:52,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259622816] [2025-04-24 16:50:52,550 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 16:50:52,551 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2025-04-24 16:50:52,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:50:52,551 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2025-04-24 16:50:52,551 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=247, Invalid=623, Unknown=0, NotChecked=0, Total=870 [2025-04-24 16:50:52,551 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:52,551 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:50:52,551 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 3.966666666666667) internal successors, (119), 29 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 16:50:52,551 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:52,551 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:52,551 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:52,552 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:52,552 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:52,552 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:52,552 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:52,552 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:50:52,552 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:52,552 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:50:52,552 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:50:52,552 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:52,552 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:52,552 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:50:52,552 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:50:52,552 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:50:52,552 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:52,552 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:50:52,552 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:50:52,552 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:52,552 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:50:52,552 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:52,552 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:50:52,552 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:50:52,552 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:52,552 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 16:50:52,552 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:52,736 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:52,736 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:52,736 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:52,736 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:52,736 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:52,737 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:52,737 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:52,737 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:50:52,737 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:52,737 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:50:52,737 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:50:52,737 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:52,737 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:52,737 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:50:52,737 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:50:52,737 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:50:52,737 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:52,737 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:50:52,737 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:50:52,737 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:52,737 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:50:52,737 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:52,737 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:50:52,737 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:50:52,737 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:52,737 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 16:50:52,738 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:50:52,745 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2025-04-24 16:50:52,938 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2025-04-24 16:50:52,938 INFO L403 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:50:52,938 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:50:52,938 INFO L139 ounterexampleChecker]: Examining path program with hash -906067869, occurence #2 [2025-04-24 16:50:52,938 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 16:50:52,938 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 16:50:52,938 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:52,938 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-04-24 16:50:52,938 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:52,938 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-04-24 16:50:52,938 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:52,939 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-04-24 16:50:52,939 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:52,939 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2025-04-24 16:50:52,939 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:52,939 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2025-04-24 16:50:52,939 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:52,939 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 62 [2025-04-24 16:50:52,939 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:52,939 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2025-04-24 16:50:52,939 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:52,939 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 16:50:52,939 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:50:52,939 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:50:52,939 INFO L85 PathProgramCache]: Analyzing trace with hash 609205893, now seen corresponding path program 2 times [2025-04-24 16:50:52,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:50:52,939 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972011382] [2025-04-24 16:50:52,939 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 16:50:52,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:50:52,951 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 68 statements into 2 equivalence classes. [2025-04-24 16:50:52,963 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 68 of 68 statements. [2025-04-24 16:50:52,963 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 16:50:52,963 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:50:53,199 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 36 proven. 15 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-04-24 16:50:53,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:50:53,199 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972011382] [2025-04-24 16:50:53,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972011382] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 16:50:53,199 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1921153295] [2025-04-24 16:50:53,199 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 16:50:53,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:50:53,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 16:50:53,201 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 16:50:53,202 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-04-24 16:50:53,321 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 68 statements into 2 equivalence classes. [2025-04-24 16:50:53,356 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 68 of 68 statements. [2025-04-24 16:50:53,357 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 16:50:53,357 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:50:53,358 INFO L256 TraceCheckSpWp]: Trace formula consists of 505 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-04-24 16:50:53,360 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 16:50:53,569 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 35 proven. 15 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-04-24 16:50:53,569 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 16:50:53,696 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 35 proven. 15 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-04-24 16:50:53,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1921153295] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 16:50:53,696 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 16:50:53,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 14] total 33 [2025-04-24 16:50:53,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029320531] [2025-04-24 16:50:53,697 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 16:50:53,697 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2025-04-24 16:50:53,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:50:53,697 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2025-04-24 16:50:53,698 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2025-04-24 16:50:53,698 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:53,698 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:50:53,698 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 3.5294117647058822) internal successors, (120), 33 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 16:50:53,698 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:53,698 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:53,698 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:53,698 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:53,698 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:53,698 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:53,698 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:53,698 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:50:53,698 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:53,698 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:50:53,698 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:50:53,698 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:53,698 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:53,698 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:50:53,698 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:50:53,698 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:50:53,698 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:53,698 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:50:53,698 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:50:53,698 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:53,698 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:50:53,698 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:53,698 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:50:53,698 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:50:53,698 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:53,698 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 16:50:53,698 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:50:53,698 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:53,879 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:53,880 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:53,880 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:53,880 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:53,880 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:53,880 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:53,880 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:53,880 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:50:53,880 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:53,880 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:50:53,880 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:50:53,880 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:53,880 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:53,880 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:50:53,880 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:50:53,880 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:50:53,880 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:53,880 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:50:53,880 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:50:53,880 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:53,880 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:50:53,880 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:53,880 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:50:53,880 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:50:53,880 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:53,880 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 16:50:53,880 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:50:53,884 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:50:53,891 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2025-04-24 16:50:54,084 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2025-04-24 16:50:54,084 INFO L403 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:50:54,084 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:50:54,085 INFO L139 ounterexampleChecker]: Examining path program with hash -906067869, occurence #3 [2025-04-24 16:50:54,085 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 16:50:54,085 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 16:50:54,085 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:54,085 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-04-24 16:50:54,085 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:54,085 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2025-04-24 16:50:54,085 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:54,085 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2025-04-24 16:50:54,085 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:54,085 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-04-24 16:50:54,085 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:54,085 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2025-04-24 16:50:54,085 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:54,085 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2025-04-24 16:50:54,085 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:54,085 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2025-04-24 16:50:54,085 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:54,085 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 16:50:54,085 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:50:54,085 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:50:54,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1649143076, now seen corresponding path program 3 times [2025-04-24 16:50:54,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:50:54,085 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861481122] [2025-04-24 16:50:54,085 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 16:50:54,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:50:54,096 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 69 statements into 4 equivalence classes. [2025-04-24 16:50:54,136 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 69 of 69 statements. [2025-04-24 16:50:54,136 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-04-24 16:50:54,136 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:50:54,315 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 36 proven. 15 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-04-24 16:50:54,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:50:54,316 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861481122] [2025-04-24 16:50:54,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861481122] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 16:50:54,316 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1819975557] [2025-04-24 16:50:54,316 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 16:50:54,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:50:54,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 16:50:54,318 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 16:50:54,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-04-24 16:50:54,446 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 69 statements into 4 equivalence classes. [2025-04-24 16:50:54,706 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 69 of 69 statements. [2025-04-24 16:50:54,707 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-04-24 16:50:54,707 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:50:54,709 INFO L256 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-04-24 16:50:54,711 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 16:50:54,936 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 36 proven. 15 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-04-24 16:50:54,936 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 16:50:55,089 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 36 proven. 15 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-04-24 16:50:55,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1819975557] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 16:50:55,089 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 16:50:55,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 36 [2025-04-24 16:50:55,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400796905] [2025-04-24 16:50:55,090 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 16:50:55,090 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2025-04-24 16:50:55,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:50:55,090 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2025-04-24 16:50:55,091 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=389, Invalid=943, Unknown=0, NotChecked=0, Total=1332 [2025-04-24 16:50:55,091 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:55,091 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:50:55,091 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 3.8378378378378377) internal successors, (142), 36 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 16:50:55,091 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:55,091 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:55,091 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:55,091 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:55,091 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:55,091 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:55,091 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:55,091 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:50:55,091 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:55,091 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:50:55,091 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:50:55,091 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:55,091 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:55,091 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:50:55,091 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:50:55,091 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:50:55,091 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:55,091 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:50:55,091 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:50:55,091 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:55,091 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:50:55,091 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:55,091 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:50:55,091 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:50:55,091 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:55,091 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 16:50:55,091 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:50:55,091 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:50:55,091 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:55,248 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:55,248 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:55,248 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:55,248 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:55,248 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:55,248 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:55,248 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:55,249 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:50:55,249 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:55,249 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:50:55,249 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:50:55,249 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:55,249 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:55,249 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:50:55,249 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:50:55,249 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:50:55,249 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:55,249 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:50:55,249 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:50:55,249 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:55,249 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:50:55,249 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:55,249 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:50:55,249 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:50:55,249 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:55,249 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 16:50:55,249 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:50:55,249 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:50:55,250 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:50:55,257 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2025-04-24 16:50:55,450 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28,25 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:50:55,450 INFO L403 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:50:55,450 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:50:55,450 INFO L139 ounterexampleChecker]: Examining path program with hash -906067869, occurence #4 [2025-04-24 16:50:55,450 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 16:50:55,450 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 16:50:55,450 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:55,450 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-04-24 16:50:55,450 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:55,450 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-04-24 16:50:55,450 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:55,450 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2025-04-24 16:50:55,451 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:55,451 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-24 16:50:55,451 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:55,451 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2025-04-24 16:50:55,451 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:55,451 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2025-04-24 16:50:55,451 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:55,451 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2025-04-24 16:50:55,451 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:55,451 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 16:50:55,451 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:50:55,451 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:50:55,451 INFO L85 PathProgramCache]: Analyzing trace with hash 394134500, now seen corresponding path program 4 times [2025-04-24 16:50:55,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:50:55,452 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17288508] [2025-04-24 16:50:55,452 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 16:50:55,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:50:55,463 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 71 statements into 2 equivalence classes. [2025-04-24 16:50:55,471 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 71 of 71 statements. [2025-04-24 16:50:55,471 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 16:50:55,471 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:50:55,662 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2025-04-24 16:50:55,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:50:55,662 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17288508] [2025-04-24 16:50:55,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17288508] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 16:50:55,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 16:50:55,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-04-24 16:50:55,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696672675] [2025-04-24 16:50:55,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 16:50:55,663 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-04-24 16:50:55,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:50:55,664 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-04-24 16:50:55,664 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2025-04-24 16:50:55,664 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:55,664 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:50:55,665 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 10 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 16:50:55,665 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:55,665 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:55,665 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:55,665 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:55,665 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:55,665 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:55,665 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:55,665 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:50:55,665 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:55,665 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:50:55,665 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:50:55,665 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:55,665 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:55,665 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:50:55,665 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:50:55,665 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:50:55,665 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:55,666 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:50:55,666 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:50:55,666 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:55,666 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:50:55,666 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:55,666 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:50:55,666 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:50:55,666 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:55,666 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 16:50:55,666 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:50:55,666 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:50:55,666 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:50:55,666 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:56,149 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:56,149 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:56,149 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:56,149 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:56,149 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:56,149 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:56,149 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:56,149 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:50:56,149 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:56,149 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:50:56,149 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:50:56,149 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:56,149 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:56,149 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:50:56,149 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:50:56,149 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:50:56,149 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:56,149 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:50:56,149 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:50:56,149 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:56,149 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:50:56,149 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:56,149 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:50:56,149 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:50:56,149 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:56,150 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:50:56,150 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:50:56,150 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:50:56,150 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:50:56,150 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:56,150 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2025-04-24 16:50:56,150 INFO L403 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:50:56,150 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:50:56,150 INFO L139 ounterexampleChecker]: Examining path program with hash -1014258806, occurence #4 [2025-04-24 16:50:56,150 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 16:50:56,150 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 16:50:56,150 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:56,150 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-04-24 16:50:56,150 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:56,150 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-04-24 16:50:56,150 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:56,150 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2025-04-24 16:50:56,150 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:56,150 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-24 16:50:56,150 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:56,150 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2025-04-24 16:50:56,150 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:56,150 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 16:50:56,150 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:50:56,151 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:50:56,151 INFO L85 PathProgramCache]: Analyzing trace with hash -1600122807, now seen corresponding path program 13 times [2025-04-24 16:50:56,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:50:56,151 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480058939] [2025-04-24 16:50:56,151 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 16:50:56,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:50:56,162 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-04-24 16:50:56,169 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-04-24 16:50:56,169 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 16:50:56,169 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:50:56,441 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 25 proven. 74 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-04-24 16:50:56,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:50:56,441 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480058939] [2025-04-24 16:50:56,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480058939] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 16:50:56,441 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [189283372] [2025-04-24 16:50:56,441 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 16:50:56,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:50:56,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 16:50:56,443 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 16:50:56,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-04-24 16:50:56,569 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-04-24 16:50:56,603 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-04-24 16:50:56,603 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 16:50:56,603 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:50:56,605 INFO L256 TraceCheckSpWp]: Trace formula consists of 526 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-04-24 16:50:56,606 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 16:50:56,990 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 31 proven. 68 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-04-24 16:50:56,990 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 16:50:57,395 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 43 proven. 56 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-04-24 16:50:57,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [189283372] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 16:50:57,395 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 16:50:57,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 55 [2025-04-24 16:50:57,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5967299] [2025-04-24 16:50:57,395 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 16:50:57,395 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2025-04-24 16:50:57,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:50:57,397 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2025-04-24 16:50:57,398 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=549, Invalid=2531, Unknown=0, NotChecked=0, Total=3080 [2025-04-24 16:50:57,398 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:57,398 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:50:57,398 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 3.125) internal successors, (175), 55 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 16:50:57,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:57,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:57,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:57,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:57,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:57,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:57,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:57,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:50:57,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:57,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:50:57,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:50:57,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:57,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:57,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:50:57,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:50:57,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:50:57,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:57,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:50:57,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:50:57,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:57,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:50:57,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:57,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:50:57,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:50:57,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:57,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:50:57,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:50:57,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:50:57,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:50:57,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:57,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:57,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:57,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:57,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:57,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:57,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:57,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:57,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:57,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:50:57,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:57,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:50:57,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:50:57,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:57,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:57,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:50:57,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:50:57,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:50:57,967 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:57,967 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:50:57,967 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:50:57,967 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:57,967 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:50:57,967 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:57,967 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:50:57,967 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:50:57,967 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:57,967 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:50:57,967 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:50:57,967 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:50:57,967 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:50:57,967 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:57,967 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:50:57,975 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2025-04-24 16:50:58,168 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2025-04-24 16:50:58,168 INFO L403 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:50:58,168 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:50:58,168 INFO L139 ounterexampleChecker]: Examining path program with hash -268649033, occurence #8 [2025-04-24 16:50:58,168 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 16:50:58,168 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 16:50:58,168 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:58,168 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-04-24 16:50:58,168 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:58,168 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-04-24 16:50:58,168 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:58,168 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2025-04-24 16:50:58,168 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:58,168 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-24 16:50:58,168 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:58,169 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-04-24 16:50:58,169 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:58,169 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2025-04-24 16:50:58,169 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:58,169 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-04-24 16:50:58,169 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:58,169 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 16:50:58,169 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:50:58,169 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:50:58,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1567248662, now seen corresponding path program 8 times [2025-04-24 16:50:58,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:50:58,169 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517119966] [2025-04-24 16:50:58,169 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 16:50:58,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:50:58,182 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 75 statements into 2 equivalence classes. [2025-04-24 16:50:58,203 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 75 of 75 statements. [2025-04-24 16:50:58,205 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 16:50:58,205 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:50:58,393 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 42 proven. 40 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2025-04-24 16:50:58,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:50:58,393 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517119966] [2025-04-24 16:50:58,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517119966] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 16:50:58,393 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1530388697] [2025-04-24 16:50:58,393 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 16:50:58,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:50:58,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 16:50:58,395 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 16:50:58,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-04-24 16:50:58,533 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 75 statements into 2 equivalence classes. [2025-04-24 16:50:58,570 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 75 of 75 statements. [2025-04-24 16:50:58,571 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 16:50:58,571 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:50:58,573 INFO L256 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-04-24 16:50:58,574 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 16:50:58,828 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 66 proven. 15 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2025-04-24 16:50:58,828 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 16:50:58,990 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 66 proven. 15 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2025-04-24 16:50:58,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1530388697] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 16:50:58,991 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 16:50:58,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 13] total 33 [2025-04-24 16:50:58,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352852367] [2025-04-24 16:50:58,991 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 16:50:58,991 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2025-04-24 16:50:58,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:50:58,992 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2025-04-24 16:50:58,992 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=295, Invalid=827, Unknown=0, NotChecked=0, Total=1122 [2025-04-24 16:50:58,992 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:58,992 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:50:58,992 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 4.411764705882353) internal successors, (150), 33 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 16:50:58,992 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:58,992 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:58,992 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:58,992 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:58,992 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:58,992 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:58,992 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:58,992 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:50:58,992 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:58,992 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:50:58,992 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:50:58,992 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:58,993 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:58,993 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:50:58,993 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:50:58,993 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:50:58,993 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:58,993 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:50:58,993 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:50:58,993 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:58,993 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:50:58,993 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:58,993 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:50:58,993 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:50:58,993 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:58,993 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:50:58,993 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:50:58,993 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:50:58,993 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:50:58,993 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:58,993 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:50:58,993 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:50:59,230 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:50:59,231 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:59,231 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:59,231 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:59,231 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:50:59,231 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:50:59,231 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:59,231 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:50:59,231 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:59,231 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:50:59,231 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:50:59,231 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:59,231 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:50:59,231 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:50:59,231 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:50:59,231 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:50:59,231 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:59,231 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:50:59,231 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:50:59,231 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:59,231 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:50:59,231 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:59,231 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:50:59,231 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:50:59,231 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:50:59,231 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:50:59,231 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:50:59,231 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:50:59,231 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:50:59,231 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:50:59,231 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:50:59,232 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:50:59,240 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2025-04-24 16:50:59,432 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,27 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:50:59,433 INFO L403 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:50:59,433 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:50:59,433 INFO L139 ounterexampleChecker]: Examining path program with hash -268649033, occurence #9 [2025-04-24 16:50:59,433 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 16:50:59,433 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 16:50:59,433 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:59,433 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-24 16:50:59,433 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:59,433 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2025-04-24 16:50:59,433 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:59,433 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-04-24 16:50:59,433 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:59,433 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-04-24 16:50:59,433 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:59,433 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2025-04-24 16:50:59,433 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:59,433 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2025-04-24 16:50:59,433 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:50:59,433 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-04-24 16:50:59,433 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:50:59,433 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 16:50:59,433 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:50:59,433 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:50:59,433 INFO L85 PathProgramCache]: Analyzing trace with hash 296053079, now seen corresponding path program 9 times [2025-04-24 16:50:59,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:50:59,433 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804116749] [2025-04-24 16:50:59,434 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 16:50:59,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:50:59,447 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 76 statements into 6 equivalence classes. [2025-04-24 16:50:59,577 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 76 of 76 statements. [2025-04-24 16:50:59,577 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-04-24 16:50:59,577 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:51:00,148 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 40 proven. 48 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2025-04-24 16:51:00,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:51:00,148 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804116749] [2025-04-24 16:51:00,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804116749] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 16:51:00,148 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2085420515] [2025-04-24 16:51:00,148 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 16:51:00,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:51:00,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 16:51:00,150 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 16:51:00,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-04-24 16:51:00,301 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 76 statements into 6 equivalence classes. [2025-04-24 16:51:01,045 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 76 of 76 statements. [2025-04-24 16:51:01,045 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-04-24 16:51:01,045 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:51:01,049 INFO L256 TraceCheckSpWp]: Trace formula consists of 561 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-04-24 16:51:01,050 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 16:51:01,336 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 67 proven. 21 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2025-04-24 16:51:01,336 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 16:51:01,558 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 67 proven. 21 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2025-04-24 16:51:01,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2085420515] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 16:51:01,558 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 16:51:01,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 15, 15] total 43 [2025-04-24 16:51:01,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649474804] [2025-04-24 16:51:01,558 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 16:51:01,558 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2025-04-24 16:51:01,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:51:01,559 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2025-04-24 16:51:01,559 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=433, Invalid=1459, Unknown=0, NotChecked=0, Total=1892 [2025-04-24 16:51:01,559 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:51:01,559 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:51:01,559 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 3.8863636363636362) internal successors, (171), 43 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 16:51:01,559 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:51:01,559 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:01,559 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:01,559 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:01,559 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:01,559 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:01,559 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:01,559 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:01,559 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:01,559 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:51:01,559 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:01,560 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:01,560 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:01,560 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:01,560 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:01,560 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:01,560 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:01,560 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:01,560 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:01,560 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:01,560 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:01,560 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:01,560 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:01,560 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:51:01,560 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:01,560 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:01,560 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:01,560 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:51:01,560 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:01,560 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:01,560 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:01,560 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:01,560 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:51:01,825 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:51:01,826 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:01,826 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:01,826 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:01,826 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:01,826 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:01,826 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:01,826 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:01,826 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:01,826 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:51:01,826 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:01,826 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:01,826 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:01,826 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:01,826 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:01,826 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:01,826 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:01,826 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:01,826 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:01,826 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:01,826 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:01,826 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:01,826 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:01,826 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:51:01,826 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:01,826 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:01,826 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:01,826 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:51:01,826 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:01,826 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:01,826 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:01,826 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:01,827 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:51:01,836 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2025-04-24 16:51:02,027 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,28 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:51:02,028 INFO L403 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:51:02,028 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:51:02,028 INFO L139 ounterexampleChecker]: Examining path program with hash -268649033, occurence #10 [2025-04-24 16:51:02,028 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 16:51:02,028 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 16:51:02,028 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:02,028 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-04-24 16:51:02,028 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:02,028 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-04-24 16:51:02,028 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:02,028 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-04-24 16:51:02,028 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:02,028 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-04-24 16:51:02,028 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:02,028 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2025-04-24 16:51:02,028 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:02,028 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-04-24 16:51:02,028 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:02,028 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-04-24 16:51:02,028 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:02,028 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 16:51:02,028 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:51:02,029 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:51:02,029 INFO L85 PathProgramCache]: Analyzing trace with hash -2071135094, now seen corresponding path program 10 times [2025-04-24 16:51:02,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:51:02,029 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064606781] [2025-04-24 16:51:02,029 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 16:51:02,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:51:02,045 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 77 statements into 2 equivalence classes. [2025-04-24 16:51:02,060 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 77 of 77 statements. [2025-04-24 16:51:02,061 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 16:51:02,061 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:51:02,491 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 76 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2025-04-24 16:51:02,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:51:02,492 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064606781] [2025-04-24 16:51:02,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064606781] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 16:51:02,492 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [648348915] [2025-04-24 16:51:02,492 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 16:51:02,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:51:02,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 16:51:02,493 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 16:51:02,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2025-04-24 16:51:02,637 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 77 statements into 2 equivalence classes. [2025-04-24 16:51:02,679 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 77 of 77 statements. [2025-04-24 16:51:02,679 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 16:51:02,679 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:51:02,681 INFO L256 TraceCheckSpWp]: Trace formula consists of 570 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-04-24 16:51:02,682 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 16:51:03,084 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 17 proven. 71 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2025-04-24 16:51:03,084 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 16:51:03,429 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 23 proven. 65 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2025-04-24 16:51:03,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [648348915] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 16:51:03,429 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 16:51:03,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21, 21] total 56 [2025-04-24 16:51:03,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093045467] [2025-04-24 16:51:03,429 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 16:51:03,429 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2025-04-24 16:51:03,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:51:03,430 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2025-04-24 16:51:03,431 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=472, Invalid=2720, Unknown=0, NotChecked=0, Total=3192 [2025-04-24 16:51:03,431 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:51:03,431 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:51:03,431 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 3.245614035087719) internal successors, (185), 56 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 16:51:03,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:51:03,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:03,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:03,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:03,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:03,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:03,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:03,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:03,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:03,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:51:03,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:03,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:03,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:03,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:03,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:03,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:03,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:03,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:03,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:03,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:03,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:03,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:03,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:03,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:51:03,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:03,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:03,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:03,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:51:03,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:03,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:03,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:03,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:03,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:51:03,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:51:04,690 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:51:04,690 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:04,690 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:04,690 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:04,690 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:04,690 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:04,690 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:04,690 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:04,690 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:04,690 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:51:04,690 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:04,690 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:04,690 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:04,690 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:04,690 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:04,690 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:04,690 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:04,690 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:04,690 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:04,690 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:04,690 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:04,690 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:04,690 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:04,690 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:51:04,690 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:04,690 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:04,690 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:04,690 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:51:04,690 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:04,690 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:04,690 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:04,690 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:04,690 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:51:04,691 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-04-24 16:51:04,697 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2025-04-24 16:51:04,891 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,29 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:51:04,891 INFO L403 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:51:04,891 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:51:04,891 INFO L139 ounterexampleChecker]: Examining path program with hash 1722004749, occurence #1 [2025-04-24 16:51:04,891 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 16:51:04,891 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:51:04,892 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:51:04,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1165414988, now seen corresponding path program 14 times [2025-04-24 16:51:04,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:51:04,892 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002200078] [2025-04-24 16:51:04,892 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 16:51:04,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:51:04,904 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 76 statements into 2 equivalence classes. [2025-04-24 16:51:04,914 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 76 of 76 statements. [2025-04-24 16:51:04,914 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 16:51:04,914 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:51:05,271 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 36 proven. 85 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-04-24 16:51:05,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:51:05,272 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002200078] [2025-04-24 16:51:05,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002200078] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 16:51:05,272 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [327339067] [2025-04-24 16:51:05,272 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 16:51:05,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:51:05,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 16:51:05,274 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 16:51:05,275 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2025-04-24 16:51:05,432 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 76 statements into 2 equivalence classes. [2025-04-24 16:51:05,475 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 76 of 76 statements. [2025-04-24 16:51:05,475 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 16:51:05,475 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:51:05,478 INFO L256 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-04-24 16:51:05,479 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 16:51:05,966 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 42 proven. 79 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-04-24 16:51:05,967 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 16:51:06,391 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 56 proven. 65 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-04-24 16:51:06,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [327339067] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 16:51:06,391 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 16:51:06,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 22] total 59 [2025-04-24 16:51:06,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752501317] [2025-04-24 16:51:06,391 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 16:51:06,391 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2025-04-24 16:51:06,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:51:06,392 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2025-04-24 16:51:06,393 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=654, Invalid=2886, Unknown=0, NotChecked=0, Total=3540 [2025-04-24 16:51:06,393 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:51:06,393 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:51:06,393 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 2.8833333333333333) internal successors, (173), 59 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 16:51:06,393 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:51:06,393 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:06,393 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:06,393 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:06,393 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:06,393 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:06,393 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:06,393 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:06,393 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:06,393 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:51:06,393 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:06,393 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:06,393 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:06,393 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:06,393 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:06,393 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:06,393 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:06,393 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:06,393 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:06,393 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:06,393 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:06,393 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:06,393 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:06,393 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:51:06,393 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:06,393 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:06,393 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:06,393 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:51:06,393 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:06,393 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:06,393 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:06,393 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:06,393 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:51:06,393 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-04-24 16:51:06,393 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:51:06,996 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:51:06,997 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:06,997 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:06,997 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:06,997 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:06,997 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:06,997 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:06,997 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:06,997 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:06,997 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:51:06,997 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:06,997 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:06,997 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:06,997 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:06,997 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:06,997 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:06,997 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:06,997 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:06,997 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:06,997 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:06,997 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:06,997 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:06,997 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:06,997 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:51:06,997 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:06,997 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:06,997 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:06,997 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:51:06,997 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:06,997 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:06,997 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:06,997 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:06,997 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:51:06,997 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-04-24 16:51:06,997 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 16:51:07,004 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2025-04-24 16:51:07,198 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,30 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:51:07,198 INFO L403 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:51:07,198 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:51:07,198 INFO L139 ounterexampleChecker]: Examining path program with hash -2082716773, occurence #1 [2025-04-24 16:51:07,198 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 16:51:07,198 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:51:07,198 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:51:07,198 INFO L85 PathProgramCache]: Analyzing trace with hash 141572465, now seen corresponding path program 11 times [2025-04-24 16:51:07,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:51:07,198 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183012353] [2025-04-24 16:51:07,198 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 16:51:07,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:51:07,210 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 77 statements into 6 equivalence classes. [2025-04-24 16:51:07,225 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 77 of 77 statements. [2025-04-24 16:51:07,226 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-04-24 16:51:07,226 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:51:07,537 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 21 proven. 72 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2025-04-24 16:51:07,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:51:07,537 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183012353] [2025-04-24 16:51:07,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183012353] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 16:51:07,537 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [582718398] [2025-04-24 16:51:07,537 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 16:51:07,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:51:07,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 16:51:07,539 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 16:51:07,541 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2025-04-24 16:51:07,729 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 77 statements into 6 equivalence classes. [2025-04-24 16:51:11,011 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 77 of 77 statements. [2025-04-24 16:51:11,012 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-04-24 16:51:11,012 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:51:11,019 INFO L256 TraceCheckSpWp]: Trace formula consists of 570 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-04-24 16:51:11,020 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 16:51:11,408 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 21 proven. 72 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2025-04-24 16:51:11,408 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 16:51:11,658 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 28 proven. 65 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2025-04-24 16:51:11,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [582718398] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 16:51:11,658 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 16:51:11,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20] total 48 [2025-04-24 16:51:11,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642325169] [2025-04-24 16:51:11,658 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 16:51:11,659 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2025-04-24 16:51:11,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:51:11,659 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2025-04-24 16:51:11,660 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=429, Invalid=1923, Unknown=0, NotChecked=0, Total=2352 [2025-04-24 16:51:11,660 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:51:11,660 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:51:11,660 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 3.0816326530612246) internal successors, (151), 48 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 16:51:11,660 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:51:11,660 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:11,660 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:11,660 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:11,660 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:11,660 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:11,660 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:11,660 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:11,660 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:11,660 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:51:11,660 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:11,660 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:11,660 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:11,660 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:11,660 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:11,660 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:11,660 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:11,660 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:11,660 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:11,660 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:11,660 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:11,660 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:11,660 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:11,660 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:51:11,660 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:11,660 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:11,660 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:11,660 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:51:11,660 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:11,660 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:11,660 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:11,660 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:11,660 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:51:11,660 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-04-24 16:51:11,661 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 16:51:11,661 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:51:12,344 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:51:12,344 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:12,344 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:12,344 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:12,344 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:12,344 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:12,345 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:12,345 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:12,345 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:12,345 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:51:12,345 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:12,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:12,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:12,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:12,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:12,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:12,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:12,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:12,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:12,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:12,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:12,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:12,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:12,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:51:12,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:12,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:12,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:12,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:51:12,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:12,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:12,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:12,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:12,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:51:12,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-04-24 16:51:12,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 16:51:12,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-24 16:51:12,357 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2025-04-24 16:51:12,547 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2025-04-24 16:51:12,547 INFO L403 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:51:12,547 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:51:12,547 INFO L139 ounterexampleChecker]: Examining path program with hash -268649033, occurence #11 [2025-04-24 16:51:12,547 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 16:51:12,547 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 16:51:12,547 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:12,547 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-04-24 16:51:12,547 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:12,547 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-04-24 16:51:12,547 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:12,547 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-04-24 16:51:12,547 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:12,547 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-04-24 16:51:12,547 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:12,547 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 76 [2025-04-24 16:51:12,547 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:12,547 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2025-04-24 16:51:12,547 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:12,547 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 80 [2025-04-24 16:51:12,547 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:12,547 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 16:51:12,547 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:51:12,548 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:51:12,548 INFO L85 PathProgramCache]: Analyzing trace with hash 433942033, now seen corresponding path program 12 times [2025-04-24 16:51:12,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:51:12,548 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118535515] [2025-04-24 16:51:12,548 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 16:51:12,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:51:12,560 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 83 statements into 7 equivalence classes. [2025-04-24 16:51:12,617 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) and asserted 83 of 83 statements. [2025-04-24 16:51:12,617 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2025-04-24 16:51:12,618 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:51:14,116 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 21 proven. 103 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2025-04-24 16:51:14,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:51:14,117 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118535515] [2025-04-24 16:51:14,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118535515] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 16:51:14,117 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1021424334] [2025-04-24 16:51:14,117 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 16:51:14,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:51:14,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 16:51:14,131 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 16:51:14,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2025-04-24 16:51:14,315 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 83 statements into 7 equivalence classes. [2025-04-24 16:51:14,623 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) and asserted 83 of 83 statements. [2025-04-24 16:51:14,623 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2025-04-24 16:51:14,623 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:51:14,627 INFO L256 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-04-24 16:51:14,628 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 16:51:15,026 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 98 proven. 28 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2025-04-24 16:51:15,026 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 16:51:15,440 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 98 proven. 28 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2025-04-24 16:51:15,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1021424334] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 16:51:15,440 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 16:51:15,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 17, 17] total 56 [2025-04-24 16:51:15,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243731518] [2025-04-24 16:51:15,441 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 16:51:15,441 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2025-04-24 16:51:15,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:51:15,441 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2025-04-24 16:51:15,442 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=458, Invalid=2734, Unknown=0, NotChecked=0, Total=3192 [2025-04-24 16:51:15,442 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:51:15,442 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:51:15,442 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 3.6666666666666665) internal successors, (209), 56 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 16:51:15,442 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:51:15,442 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:15,442 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:15,442 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:15,442 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:15,442 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:15,442 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:15,442 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:15,442 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:15,442 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:51:15,442 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:15,442 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:15,442 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:15,442 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:15,442 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:15,442 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:15,442 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:15,442 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:15,442 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:15,443 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:15,443 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:15,443 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:15,443 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:15,443 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:51:15,443 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:15,443 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:15,443 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:15,443 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:51:15,443 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:15,443 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:15,443 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:15,443 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:15,443 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:51:15,443 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-04-24 16:51:15,443 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 16:51:15,443 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-24 16:51:15,443 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:51:17,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:51:17,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:17,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:17,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:17,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:17,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:17,949 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:17,949 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:17,949 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:17,949 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:51:17,949 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:17,949 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:17,949 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:17,949 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:17,949 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:17,949 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:17,949 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:17,949 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:17,949 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:17,949 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:17,949 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:17,949 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:17,949 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:17,949 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:51:17,949 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:17,949 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:17,949 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:17,949 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:51:17,949 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:17,949 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:17,949 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:17,949 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:17,949 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:51:17,949 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-04-24 16:51:17,949 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 16:51:17,949 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-24 16:51:17,950 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2025-04-24 16:51:17,958 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2025-04-24 16:51:18,150 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2025-04-24 16:51:18,150 INFO L403 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:51:18,150 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:51:18,150 INFO L139 ounterexampleChecker]: Examining path program with hash -268649033, occurence #12 [2025-04-24 16:51:18,151 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 16:51:18,151 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 16:51:18,151 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:18,151 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-04-24 16:51:18,151 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:18,151 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2025-04-24 16:51:18,151 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:18,151 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-24 16:51:18,151 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:18,151 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2025-04-24 16:51:18,151 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:18,151 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 83 [2025-04-24 16:51:18,151 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:18,151 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 85 [2025-04-24 16:51:18,151 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:18,151 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 87 [2025-04-24 16:51:18,151 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:18,151 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 16:51:18,151 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:51:18,151 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:51:18,151 INFO L85 PathProgramCache]: Analyzing trace with hash 254596613, now seen corresponding path program 13 times [2025-04-24 16:51:18,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:51:18,151 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4414478] [2025-04-24 16:51:18,151 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 16:51:18,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:51:18,164 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-04-24 16:51:18,173 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-04-24 16:51:18,173 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 16:51:18,173 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:51:18,439 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 122 proven. 32 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2025-04-24 16:51:18,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:51:18,440 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4414478] [2025-04-24 16:51:18,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4414478] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 16:51:18,440 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [342084028] [2025-04-24 16:51:18,440 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 16:51:18,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:51:18,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 16:51:18,442 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 16:51:18,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2025-04-24 16:51:18,624 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-04-24 16:51:18,677 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-04-24 16:51:18,677 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 16:51:18,677 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:51:18,682 INFO L256 TraceCheckSpWp]: Trace formula consists of 639 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-04-24 16:51:18,684 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 16:51:18,954 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 133 proven. 21 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2025-04-24 16:51:18,955 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 16:51:19,112 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 133 proven. 21 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2025-04-24 16:51:19,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [342084028] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 16:51:19,112 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 16:51:19,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 39 [2025-04-24 16:51:19,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328254963] [2025-04-24 16:51:19,112 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 16:51:19,113 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2025-04-24 16:51:19,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:51:19,113 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2025-04-24 16:51:19,114 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=432, Invalid=1128, Unknown=0, NotChecked=0, Total=1560 [2025-04-24 16:51:19,114 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:51:19,114 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:51:19,114 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 3.825) internal successors, (153), 39 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 16:51:19,114 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:51:19,114 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:19,114 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:19,114 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:19,114 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:19,114 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:19,114 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:19,114 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:19,114 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:19,114 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:51:19,114 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:19,114 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:19,114 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:19,114 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:19,114 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:19,114 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:19,114 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:19,114 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:19,114 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:19,114 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:19,114 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:19,115 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:19,115 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:19,115 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:51:19,115 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:19,115 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:19,115 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:19,115 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:51:19,115 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:19,115 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:19,115 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:19,115 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:19,115 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:51:19,115 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-04-24 16:51:19,115 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 16:51:19,115 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-24 16:51:19,115 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2025-04-24 16:51:19,115 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:51:19,300 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:51:19,300 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:19,300 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:19,300 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:19,300 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:19,300 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:19,300 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:19,300 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:19,300 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:19,300 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:51:19,300 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:19,300 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:19,300 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:19,300 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:19,300 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:19,300 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:19,300 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:19,300 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:19,300 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:19,300 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:19,300 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:19,300 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:19,300 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:19,300 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:51:19,300 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:19,300 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:19,300 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:19,300 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:51:19,300 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:19,300 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:19,300 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:19,300 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:19,300 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:51:19,300 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-04-24 16:51:19,300 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 16:51:19,300 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-24 16:51:19,300 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2025-04-24 16:51:19,301 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 16:51:19,308 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2025-04-24 16:51:19,501 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2025-04-24 16:51:19,501 INFO L403 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:51:19,501 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:51:19,502 INFO L139 ounterexampleChecker]: Examining path program with hash -268649033, occurence #13 [2025-04-24 16:51:19,502 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 16:51:19,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 16:51:19,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:19,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-04-24 16:51:19,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:19,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-04-24 16:51:19,502 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:19,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-04-24 16:51:19,502 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:19,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-24 16:51:19,502 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:19,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 84 [2025-04-24 16:51:19,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:19,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 86 [2025-04-24 16:51:19,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:19,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-04-24 16:51:19,502 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:19,502 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 16:51:19,502 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:51:19,502 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:51:19,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1342704652, now seen corresponding path program 14 times [2025-04-24 16:51:19,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:51:19,502 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024540094] [2025-04-24 16:51:19,502 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 16:51:19,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:51:19,515 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 91 statements into 2 equivalence classes. [2025-04-24 16:51:19,525 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 91 of 91 statements. [2025-04-24 16:51:19,525 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 16:51:19,525 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:51:19,817 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 98 proven. 65 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-04-24 16:51:19,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:51:19,818 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024540094] [2025-04-24 16:51:19,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024540094] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 16:51:19,818 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1017873642] [2025-04-24 16:51:19,818 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 16:51:19,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:51:19,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 16:51:19,820 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 16:51:19,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2025-04-24 16:51:19,998 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 91 statements into 2 equivalence classes. [2025-04-24 16:51:20,055 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 91 of 91 statements. [2025-04-24 16:51:20,055 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 16:51:20,055 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:51:20,058 INFO L256 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-04-24 16:51:20,059 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 16:51:20,334 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 134 proven. 28 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2025-04-24 16:51:20,334 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 16:51:20,504 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 134 proven. 28 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2025-04-24 16:51:20,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1017873642] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 16:51:20,505 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 16:51:20,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18, 18] total 45 [2025-04-24 16:51:20,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894017955] [2025-04-24 16:51:20,505 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 16:51:20,505 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2025-04-24 16:51:20,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:51:20,506 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2025-04-24 16:51:20,506 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=534, Invalid=1536, Unknown=0, NotChecked=0, Total=2070 [2025-04-24 16:51:20,506 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:51:20,506 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:51:20,506 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 3.8260869565217392) internal successors, (176), 45 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 16:51:20,506 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:51:20,506 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:20,506 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:20,506 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:20,506 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:20,506 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:20,506 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:20,506 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:20,506 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:20,506 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:51:20,506 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:20,506 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:20,506 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:20,506 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:20,507 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:20,507 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:20,507 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:20,507 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:20,507 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:20,507 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:20,507 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:20,507 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:20,507 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:20,507 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:51:20,507 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:20,507 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:20,507 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:20,507 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:51:20,507 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:20,507 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:20,507 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:20,507 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:20,507 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:51:20,507 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-04-24 16:51:20,507 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 16:51:20,507 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-24 16:51:20,507 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2025-04-24 16:51:20,507 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 16:51:20,507 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:51:20,741 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:51:20,741 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:20,741 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:20,741 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:20,741 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:20,741 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:20,741 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:20,741 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:20,741 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:20,741 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:51:20,741 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:20,741 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:20,741 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:20,741 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:20,741 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:20,741 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:20,741 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:20,741 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:20,741 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:20,741 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:20,741 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:20,741 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:20,741 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:20,741 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:51:20,741 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:20,741 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:20,741 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:20,741 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:51:20,741 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:20,741 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:20,741 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:20,741 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:20,741 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:51:20,741 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-04-24 16:51:20,741 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 16:51:20,741 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-24 16:51:20,741 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2025-04-24 16:51:20,741 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 16:51:20,742 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:20,749 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2025-04-24 16:51:20,942 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38,34 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:51:20,942 INFO L403 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:51:20,942 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:51:20,943 INFO L139 ounterexampleChecker]: Examining path program with hash -268649033, occurence #14 [2025-04-24 16:51:20,943 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 16:51:20,943 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 16:51:20,943 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:20,943 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-04-24 16:51:20,943 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:20,943 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-04-24 16:51:20,943 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:20,943 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-04-24 16:51:20,943 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:20,943 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-24 16:51:20,943 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:20,943 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 85 [2025-04-24 16:51:20,943 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:20,943 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 87 [2025-04-24 16:51:20,943 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:20,943 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2025-04-24 16:51:20,943 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:20,943 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 16:51:20,943 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:51:20,943 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:51:20,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1685229798, now seen corresponding path program 15 times [2025-04-24 16:51:20,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:51:20,943 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982875443] [2025-04-24 16:51:20,943 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 16:51:20,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:51:20,957 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 92 statements into 8 equivalence classes. [2025-04-24 16:51:21,013 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) and asserted 74 of 92 statements. [2025-04-24 16:51:21,013 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2025-04-24 16:51:21,013 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:51:21,417 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 28 proven. 73 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2025-04-24 16:51:21,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:51:21,418 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982875443] [2025-04-24 16:51:21,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982875443] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 16:51:21,418 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1748712135] [2025-04-24 16:51:21,418 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 16:51:21,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:51:21,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 16:51:21,420 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 16:51:21,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2025-04-24 16:51:21,619 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 92 statements into 8 equivalence classes. [2025-04-24 16:51:22,142 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) and asserted 74 of 92 statements. [2025-04-24 16:51:22,142 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2025-04-24 16:51:22,142 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:51:22,145 INFO L256 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 46 conjuncts are in the unsatisfiable core [2025-04-24 16:51:22,147 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 16:51:22,707 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 65 proven. 69 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2025-04-24 16:51:22,707 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 16:51:22,722 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-24 16:51:22,723 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 55 [2025-04-24 16:51:23,161 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 36 proven. 65 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2025-04-24 16:51:23,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1748712135] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 16:51:23,161 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 16:51:23,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 28, 22] total 66 [2025-04-24 16:51:23,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513323629] [2025-04-24 16:51:23,161 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 16:51:23,162 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2025-04-24 16:51:23,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:51:23,162 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2025-04-24 16:51:23,163 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=800, Invalid=3622, Unknown=0, NotChecked=0, Total=4422 [2025-04-24 16:51:23,163 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:51:23,163 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:51:23,163 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 2.208955223880597) internal successors, (148), 66 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 16:51:23,163 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:51:23,163 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:23,163 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:23,163 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:23,163 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:23,163 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:23,163 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:23,163 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:23,163 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:23,163 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:51:23,163 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:23,163 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:23,163 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:23,163 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:23,163 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:23,163 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:23,163 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:23,163 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:23,163 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:23,163 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:23,163 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:23,163 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:23,164 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:23,164 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:51:23,164 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:23,164 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:23,164 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:23,164 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:51:23,164 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:23,164 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:23,164 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:23,164 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:23,164 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:51:23,164 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-04-24 16:51:23,164 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 16:51:23,164 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-24 16:51:23,164 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2025-04-24 16:51:23,164 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 16:51:23,164 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:23,164 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:51:23,565 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:51:23,565 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:23,565 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:23,565 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:23,565 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:23,565 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:23,565 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:23,565 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:23,565 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:23,565 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:51:23,565 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:23,565 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:23,565 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:23,565 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:23,565 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:23,565 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:23,565 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:23,565 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:23,565 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:23,565 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:23,565 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:23,565 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:23,565 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:23,565 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:51:23,565 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:23,565 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:23,565 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:23,565 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:51:23,565 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:23,565 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:23,565 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:23,565 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:23,565 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:51:23,565 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-04-24 16:51:23,565 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 16:51:23,565 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-24 16:51:23,565 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2025-04-24 16:51:23,565 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 16:51:23,565 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:23,566 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:23,574 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2025-04-24 16:51:23,766 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2025-04-24 16:51:23,766 INFO L403 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:51:23,766 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:51:23,766 INFO L139 ounterexampleChecker]: Examining path program with hash -268649033, occurence #15 [2025-04-24 16:51:23,766 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 16:51:23,766 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 16:51:23,767 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:23,767 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-04-24 16:51:23,767 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:23,767 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-24 16:51:23,767 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:23,767 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2025-04-24 16:51:23,767 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:23,767 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-24 16:51:23,767 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:23,767 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 86 [2025-04-24 16:51:23,767 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:23,767 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-04-24 16:51:23,767 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:23,767 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2025-04-24 16:51:23,767 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:23,767 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 16:51:23,767 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:51:23,767 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:51:23,767 INFO L85 PathProgramCache]: Analyzing trace with hash 309542753, now seen corresponding path program 16 times [2025-04-24 16:51:23,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:51:23,767 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791510895] [2025-04-24 16:51:23,767 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 16:51:23,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:51:23,782 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 93 statements into 2 equivalence classes. [2025-04-24 16:51:23,794 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 93 of 93 statements. [2025-04-24 16:51:23,794 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 16:51:23,794 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:51:24,181 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 135 proven. 36 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2025-04-24 16:51:24,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:51:24,181 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791510895] [2025-04-24 16:51:24,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791510895] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 16:51:24,181 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [860247851] [2025-04-24 16:51:24,181 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 16:51:24,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:51:24,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 16:51:24,183 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 16:51:24,184 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2025-04-24 16:51:24,394 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 93 statements into 2 equivalence classes. [2025-04-24 16:51:24,454 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 93 of 93 statements. [2025-04-24 16:51:24,454 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 16:51:24,454 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:51:24,457 INFO L256 TraceCheckSpWp]: Trace formula consists of 666 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-04-24 16:51:24,459 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 16:51:24,780 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 135 proven. 36 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2025-04-24 16:51:24,780 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 16:51:24,978 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 135 proven. 36 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2025-04-24 16:51:24,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [860247851] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 16:51:24,978 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 16:51:24,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 46 [2025-04-24 16:51:24,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975598688] [2025-04-24 16:51:24,978 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 16:51:24,978 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2025-04-24 16:51:24,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:51:24,979 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2025-04-24 16:51:24,979 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=613, Invalid=1549, Unknown=0, NotChecked=0, Total=2162 [2025-04-24 16:51:24,979 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:51:24,979 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:51:24,979 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 3.4680851063829787) internal successors, (163), 46 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 16:51:24,979 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:51:24,979 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:24,979 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:24,979 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:24,979 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:24,979 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:24,979 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:24,979 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:24,979 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:24,979 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:51:24,979 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:24,979 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:24,979 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:24,979 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:24,979 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:24,980 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:24,980 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:24,980 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:24,980 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:24,980 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:24,980 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:24,980 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:24,980 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:24,980 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:51:24,980 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:24,980 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:24,980 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:24,980 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:51:24,980 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:24,980 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:24,980 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:24,980 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:24,980 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:51:24,980 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-04-24 16:51:24,980 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 16:51:24,980 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-24 16:51:24,980 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2025-04-24 16:51:24,980 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 16:51:24,980 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:24,980 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:24,980 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:51:25,178 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:51:25,178 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:25,178 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:25,178 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:25,178 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:25,178 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:25,178 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:25,178 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:25,178 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:25,178 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:51:25,178 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:25,178 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:25,178 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:25,179 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:25,179 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:25,179 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:25,179 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:25,179 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:25,179 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:25,179 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:25,179 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:25,179 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:25,179 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:25,179 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:51:25,179 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:25,179 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:25,179 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:25,179 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:51:25,179 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:25,179 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:25,179 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:25,179 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:25,179 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:51:25,179 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-04-24 16:51:25,179 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 16:51:25,179 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-24 16:51:25,179 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2025-04-24 16:51:25,179 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 16:51:25,179 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:25,179 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:25,179 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:25,186 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2025-04-24 16:51:25,380 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,36 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:51:25,380 INFO L403 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:51:25,380 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:51:25,380 INFO L139 ounterexampleChecker]: Examining path program with hash -268649033, occurence #16 [2025-04-24 16:51:25,380 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 16:51:25,380 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 16:51:25,380 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:25,380 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-04-24 16:51:25,380 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:25,380 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-04-24 16:51:25,380 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:25,380 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-24 16:51:25,380 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:25,380 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-24 16:51:25,380 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:25,380 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 87 [2025-04-24 16:51:25,380 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:25,380 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2025-04-24 16:51:25,380 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:25,380 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2025-04-24 16:51:25,380 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:25,380 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 16:51:25,380 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:51:25,381 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:51:25,381 INFO L85 PathProgramCache]: Analyzing trace with hash -665577330, now seen corresponding path program 17 times [2025-04-24 16:51:25,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:51:25,381 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141655495] [2025-04-24 16:51:25,381 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 16:51:25,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:51:25,396 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 94 statements into 8 equivalence classes. [2025-04-24 16:51:25,418 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) and asserted 94 of 94 statements. [2025-04-24 16:51:25,419 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2025-04-24 16:51:25,419 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:51:25,673 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 135 proven. 36 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2025-04-24 16:51:25,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:51:25,673 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141655495] [2025-04-24 16:51:25,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141655495] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 16:51:25,674 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [53680351] [2025-04-24 16:51:25,674 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 16:51:25,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:51:25,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 16:51:25,675 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 16:51:25,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2025-04-24 16:51:25,860 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 94 statements into 8 equivalence classes. [2025-04-24 16:51:28,350 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) and asserted 94 of 94 statements. [2025-04-24 16:51:28,350 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2025-04-24 16:51:28,350 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:51:28,361 INFO L256 TraceCheckSpWp]: Trace formula consists of 675 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-04-24 16:51:28,363 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 16:51:28,716 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 135 proven. 36 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2025-04-24 16:51:28,716 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 16:51:28,955 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 135 proven. 36 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2025-04-24 16:51:28,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [53680351] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 16:51:28,955 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 16:51:28,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20] total 47 [2025-04-24 16:51:28,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707293512] [2025-04-24 16:51:28,955 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 16:51:28,956 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2025-04-24 16:51:28,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:51:28,956 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2025-04-24 16:51:28,957 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=633, Invalid=1623, Unknown=0, NotChecked=0, Total=2256 [2025-04-24 16:51:28,957 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:51:28,957 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:51:28,957 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 3.3125) internal successors, (159), 47 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 16:51:28,957 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:51:28,957 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:28,957 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:28,957 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:28,957 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:28,957 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:28,957 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:28,957 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:28,957 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:28,957 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:51:28,957 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:28,957 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:28,957 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:28,957 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:28,957 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:28,957 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:28,957 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:28,957 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:28,957 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:28,957 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:28,957 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:28,957 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:28,957 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:28,957 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:51:28,957 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:28,957 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:28,957 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:28,957 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:51:28,957 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:28,957 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:28,957 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:28,957 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:28,957 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:51:28,957 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-04-24 16:51:28,957 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 16:51:28,957 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-24 16:51:28,957 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2025-04-24 16:51:28,957 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 16:51:28,957 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:28,957 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:28,957 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:28,957 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:51:29,117 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:51:29,117 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:29,117 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:29,117 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:29,117 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:29,117 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:29,117 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:29,117 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:29,117 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:29,117 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:51:29,117 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:29,117 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:29,117 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:29,117 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:29,117 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:29,117 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:29,117 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:29,117 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:29,117 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:29,117 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:29,117 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:29,117 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:29,117 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:29,117 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:51:29,117 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:29,117 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:29,117 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:29,117 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:51:29,117 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:29,117 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:29,117 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:29,117 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:29,117 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:51:29,117 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-04-24 16:51:29,117 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 16:51:29,117 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-24 16:51:29,117 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2025-04-24 16:51:29,117 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 16:51:29,117 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:29,117 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:29,117 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:29,118 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:51:29,129 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2025-04-24 16:51:29,318 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2025-04-24 16:51:29,318 INFO L403 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:51:29,318 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:51:29,318 INFO L139 ounterexampleChecker]: Examining path program with hash -268649033, occurence #17 [2025-04-24 16:51:29,319 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 16:51:29,319 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 16:51:29,319 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:29,319 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-04-24 16:51:29,319 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:29,319 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-04-24 16:51:29,319 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:29,319 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-24 16:51:29,319 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:29,319 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-04-24 16:51:29,319 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:29,319 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-04-24 16:51:29,319 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:29,319 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2025-04-24 16:51:29,319 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:29,319 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 92 [2025-04-24 16:51:29,319 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:29,319 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 16:51:29,319 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:51:29,319 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:51:29,319 INFO L85 PathProgramCache]: Analyzing trace with hash 482538200, now seen corresponding path program 18 times [2025-04-24 16:51:29,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:51:29,319 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125181233] [2025-04-24 16:51:29,319 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 16:51:29,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:51:29,333 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 95 statements into 8 equivalence classes. [2025-04-24 16:51:29,385 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) and asserted 95 of 95 statements. [2025-04-24 16:51:29,385 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2025-04-24 16:51:29,385 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:51:30,024 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 36 proven. 142 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2025-04-24 16:51:30,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:51:30,024 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125181233] [2025-04-24 16:51:30,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125181233] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 16:51:30,024 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2016651291] [2025-04-24 16:51:30,024 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 16:51:30,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:51:30,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 16:51:30,026 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 16:51:30,027 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2025-04-24 16:51:30,218 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 95 statements into 8 equivalence classes. [2025-04-24 16:51:31,182 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) and asserted 95 of 95 statements. [2025-04-24 16:51:31,183 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2025-04-24 16:51:31,183 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:51:31,189 INFO L256 TraceCheckSpWp]: Trace formula consists of 684 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-04-24 16:51:31,191 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 16:51:31,850 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 64 proven. 150 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2025-04-24 16:51:31,850 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 16:51:32,605 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 81 proven. 133 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2025-04-24 16:51:32,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2016651291] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 16:51:32,605 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 16:51:32,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 28, 28] total 74 [2025-04-24 16:51:32,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822812223] [2025-04-24 16:51:32,606 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 16:51:32,606 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2025-04-24 16:51:32,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:51:32,606 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2025-04-24 16:51:32,608 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=675, Invalid=4875, Unknown=0, NotChecked=0, Total=5550 [2025-04-24 16:51:32,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:51:32,608 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:51:32,608 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 75 states have (on average 3.1866666666666665) internal successors, (239), 74 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 16:51:32,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:51:32,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:32,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:32,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:32,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:32,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:32,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:32,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:32,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:32,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:51:32,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:32,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:32,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:32,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:32,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:32,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:32,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:32,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:32,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:32,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:32,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:32,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:32,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:32,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:51:32,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:32,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:32,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:32,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:51:32,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:32,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:32,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:32,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:32,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:51:32,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-04-24 16:51:32,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 16:51:32,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-24 16:51:32,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2025-04-24 16:51:32,609 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 16:51:32,609 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:32,609 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:32,609 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:32,609 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:51:32,609 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:51:34,780 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:51:34,780 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:34,780 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:34,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:34,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:34,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:34,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:34,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:34,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:34,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:51:34,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:34,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:34,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:34,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:34,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:34,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:34,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:34,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:34,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:34,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:34,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:34,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:34,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:34,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:51:34,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:34,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:34,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:34,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:51:34,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:34,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:34,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:34,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:34,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:51:34,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-04-24 16:51:34,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 16:51:34,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-24 16:51:34,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2025-04-24 16:51:34,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 16:51:34,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:34,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:34,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:34,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:51:34,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-04-24 16:51:34,791 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2025-04-24 16:51:34,982 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,38 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:51:34,982 INFO L403 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:51:34,982 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:51:34,982 INFO L139 ounterexampleChecker]: Examining path program with hash -1014258806, occurence #5 [2025-04-24 16:51:34,982 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 16:51:34,982 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 16:51:34,982 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:34,982 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-04-24 16:51:34,982 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:34,982 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-04-24 16:51:34,982 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:34,982 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-24 16:51:34,982 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:34,982 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-04-24 16:51:34,982 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:34,982 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 92 [2025-04-24 16:51:34,982 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:34,982 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 16:51:34,982 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:51:34,983 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:51:34,983 INFO L85 PathProgramCache]: Analyzing trace with hash 2054293556, now seen corresponding path program 15 times [2025-04-24 16:51:34,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:51:34,983 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700911029] [2025-04-24 16:51:34,983 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 16:51:34,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:51:34,997 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 96 statements into 8 equivalence classes. [2025-04-24 16:51:35,003 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 40 of 96 statements. [2025-04-24 16:51:35,003 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-24 16:51:35,003 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:51:35,299 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2025-04-24 16:51:35,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:51:35,299 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700911029] [2025-04-24 16:51:35,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700911029] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 16:51:35,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 16:51:35,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2025-04-24 16:51:35,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808757030] [2025-04-24 16:51:35,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 16:51:35,299 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-04-24 16:51:35,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:51:35,299 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-04-24 16:51:35,300 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-04-24 16:51:35,300 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:51:35,300 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:51:35,300 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 11 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 16:51:35,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:51:35,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:35,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:35,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:35,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:35,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:35,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:35,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:35,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:35,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:51:35,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:35,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:35,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:35,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:35,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:35,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:35,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:35,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:35,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:35,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:35,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:35,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:35,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:35,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:51:35,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:35,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:35,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:35,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:51:35,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:35,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:35,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:35,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:35,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:51:35,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-04-24 16:51:35,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 16:51:35,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-24 16:51:35,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2025-04-24 16:51:35,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 16:51:35,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:35,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:35,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:35,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:51:35,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-04-24 16:51:35,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:51:35,750 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:51:35,750 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:35,750 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:35,750 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:35,750 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:35,750 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:35,750 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:35,750 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:35,750 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:35,750 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:51:35,750 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:35,750 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:35,750 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:35,750 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:35,750 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:35,750 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:35,750 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:35,750 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:35,750 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:35,750 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:35,750 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:35,750 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:35,750 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:35,750 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:51:35,750 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:35,750 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:35,750 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:35,750 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:51:35,750 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:35,750 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:35,750 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:35,750 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:35,751 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:51:35,751 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-04-24 16:51:35,751 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 16:51:35,751 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-24 16:51:35,751 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2025-04-24 16:51:35,751 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 16:51:35,751 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:35,751 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:35,751 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:35,751 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:51:35,751 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-04-24 16:51:35,751 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:35,751 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2025-04-24 16:51:35,751 INFO L403 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:51:35,751 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:51:35,751 INFO L139 ounterexampleChecker]: Examining path program with hash -268649033, occurence #18 [2025-04-24 16:51:35,751 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 16:51:35,751 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 16:51:35,751 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:35,751 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-04-24 16:51:35,751 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:35,751 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-04-24 16:51:35,751 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:35,751 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-24 16:51:35,751 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:35,751 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-04-24 16:51:35,751 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:35,751 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2025-04-24 16:51:35,751 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:35,751 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 96 [2025-04-24 16:51:35,752 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:35,752 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 98 [2025-04-24 16:51:35,752 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:35,752 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 16:51:35,752 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:51:35,752 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:51:35,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1365832159, now seen corresponding path program 19 times [2025-04-24 16:51:35,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:51:35,752 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488857958] [2025-04-24 16:51:35,752 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 16:51:35,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:51:35,767 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-04-24 16:51:35,777 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-04-24 16:51:35,777 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 16:51:35,777 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:51:36,148 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 135 proven. 88 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2025-04-24 16:51:36,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:51:36,148 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488857958] [2025-04-24 16:51:36,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488857958] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 16:51:36,148 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [205397723] [2025-04-24 16:51:36,148 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 16:51:36,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:51:36,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 16:51:36,150 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 16:51:36,151 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2025-04-24 16:51:36,353 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-04-24 16:51:36,401 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-04-24 16:51:36,401 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 16:51:36,401 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:51:36,404 INFO L256 TraceCheckSpWp]: Trace formula consists of 714 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-04-24 16:51:36,405 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 16:51:36,816 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 178 proven. 45 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2025-04-24 16:51:36,816 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 16:51:37,212 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 178 proven. 45 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2025-04-24 16:51:37,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [205397723] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 16:51:37,212 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 16:51:37,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 22, 22] total 62 [2025-04-24 16:51:37,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798335169] [2025-04-24 16:51:37,213 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 16:51:37,213 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2025-04-24 16:51:37,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:51:37,213 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2025-04-24 16:51:37,214 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=725, Invalid=3181, Unknown=0, NotChecked=0, Total=3906 [2025-04-24 16:51:37,214 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:51:37,214 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:51:37,214 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 3.873015873015873) internal successors, (244), 62 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 16:51:37,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:51:37,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:37,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:37,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:37,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:37,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:37,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:37,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:37,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:37,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:51:37,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:37,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:37,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:37,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:37,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:37,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:37,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:37,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:37,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:37,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:37,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:37,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:37,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:37,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:51:37,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:37,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:37,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:37,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:51:37,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:37,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:37,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:37,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:37,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:51:37,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-04-24 16:51:37,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 16:51:37,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-24 16:51:37,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2025-04-24 16:51:37,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 16:51:37,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:37,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:37,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:37,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:51:37,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-04-24 16:51:37,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:37,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:51:37,713 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:51:37,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:37,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:37,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:37,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:37,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:37,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:37,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:37,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:37,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:51:37,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:37,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:37,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:37,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:37,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:37,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:37,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:37,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:37,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:37,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:37,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:37,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:37,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:37,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:51:37,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:37,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:37,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:37,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:51:37,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:37,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:37,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:37,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:37,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:51:37,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-04-24 16:51:37,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 16:51:37,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-24 16:51:37,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2025-04-24 16:51:37,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 16:51:37,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:37,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:37,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:37,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:51:37,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-04-24 16:51:37,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:37,715 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-24 16:51:37,723 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2025-04-24 16:51:37,916 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2025-04-24 16:51:37,916 INFO L403 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:51:37,916 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:51:37,916 INFO L139 ounterexampleChecker]: Examining path program with hash -268649033, occurence #19 [2025-04-24 16:51:37,916 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 16:51:37,916 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 16:51:37,916 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:37,916 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-24 16:51:37,917 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:37,917 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-24 16:51:37,917 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:37,917 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-24 16:51:37,917 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:37,917 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2025-04-24 16:51:37,917 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:37,917 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 96 [2025-04-24 16:51:37,917 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:37,917 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 98 [2025-04-24 16:51:37,917 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:37,917 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 100 [2025-04-24 16:51:37,917 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:37,917 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 16:51:37,917 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:51:37,917 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:51:37,917 INFO L85 PathProgramCache]: Analyzing trace with hash -1535903288, now seen corresponding path program 20 times [2025-04-24 16:51:37,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:51:37,917 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934039143] [2025-04-24 16:51:37,917 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 16:51:37,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:51:37,935 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 103 statements into 2 equivalence classes. [2025-04-24 16:51:37,946 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 103 of 103 statements. [2025-04-24 16:51:37,946 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 16:51:37,946 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:51:38,446 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 45 proven. 186 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2025-04-24 16:51:38,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:51:38,447 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934039143] [2025-04-24 16:51:38,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934039143] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 16:51:38,447 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [110932576] [2025-04-24 16:51:38,447 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 16:51:38,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:51:38,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 16:51:38,449 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 16:51:38,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2025-04-24 16:51:38,656 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 103 statements into 2 equivalence classes. [2025-04-24 16:51:38,717 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 103 of 103 statements. [2025-04-24 16:51:38,717 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 16:51:38,717 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:51:38,720 INFO L256 TraceCheckSpWp]: Trace formula consists of 732 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-04-24 16:51:38,722 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 16:51:39,130 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 45 proven. 186 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2025-04-24 16:51:39,130 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 16:51:39,145 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-24 16:51:39,146 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 55 [2025-04-24 16:51:39,494 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 55 proven. 176 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2025-04-24 16:51:39,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [110932576] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 16:51:39,494 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 16:51:39,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 53 [2025-04-24 16:51:39,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584213791] [2025-04-24 16:51:39,494 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 16:51:39,494 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2025-04-24 16:51:39,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:51:39,495 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2025-04-24 16:51:39,495 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=558, Invalid=2304, Unknown=0, NotChecked=0, Total=2862 [2025-04-24 16:51:39,496 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:51:39,496 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:51:39,496 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 3.962962962962963) internal successors, (214), 53 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 16:51:39,496 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:51:39,496 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:39,496 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:39,496 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:39,496 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:39,496 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:39,496 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:39,496 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:39,496 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:39,496 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:51:39,496 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:39,496 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:39,496 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:39,496 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:39,496 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:39,496 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:39,496 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:39,496 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:39,496 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:39,496 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:39,496 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:39,496 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:39,496 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:39,496 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:51:39,496 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:39,496 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:39,496 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:39,496 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:51:39,496 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:39,496 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:39,496 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:39,496 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:39,496 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:51:39,496 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-04-24 16:51:39,496 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 16:51:39,496 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-24 16:51:39,496 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2025-04-24 16:51:39,496 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 16:51:39,496 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:39,496 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:39,496 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:39,496 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:51:39,496 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-04-24 16:51:39,496 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:39,496 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-24 16:51:39,496 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:51:40,143 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:51:40,143 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:40,143 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:40,143 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:40,143 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:40,143 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:40,143 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:40,143 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:40,143 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:40,143 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:51:40,143 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:40,143 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:40,143 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:40,143 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:40,143 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:40,143 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:40,143 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:40,143 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:40,143 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:40,143 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:40,143 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:40,143 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:40,143 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:40,143 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:51:40,143 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:40,143 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:40,143 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:40,143 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:51:40,144 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:40,144 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:40,144 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:40,144 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:40,144 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:51:40,144 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-04-24 16:51:40,144 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 16:51:40,144 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-24 16:51:40,144 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2025-04-24 16:51:40,144 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 16:51:40,144 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:40,144 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:40,144 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:40,144 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:51:40,144 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-04-24 16:51:40,145 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:40,145 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-24 16:51:40,146 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-24 16:51:40,153 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2025-04-24 16:51:40,346 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,40 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:51:40,346 INFO L403 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:51:40,346 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:51:40,346 INFO L139 ounterexampleChecker]: Examining path program with hash -268649033, occurence #20 [2025-04-24 16:51:40,346 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 16:51:40,346 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 16:51:40,346 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:40,347 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-24 16:51:40,347 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:40,347 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-24 16:51:40,347 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:40,347 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-24 16:51:40,347 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:40,347 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2025-04-24 16:51:40,347 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:40,347 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2025-04-24 16:51:40,347 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:40,347 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2025-04-24 16:51:40,347 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:40,347 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 112 [2025-04-24 16:51:40,347 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:40,347 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 16:51:40,347 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:51:40,347 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:51:40,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1328714090, now seen corresponding path program 21 times [2025-04-24 16:51:40,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:51:40,347 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068764714] [2025-04-24 16:51:40,347 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 16:51:40,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:51:40,363 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 115 statements into 11 equivalence classes. [2025-04-24 16:51:40,414 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 85 of 115 statements. [2025-04-24 16:51:40,414 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-04-24 16:51:40,414 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:51:40,865 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 45 proven. 101 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2025-04-24 16:51:40,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:51:40,865 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068764714] [2025-04-24 16:51:40,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068764714] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 16:51:40,865 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1715705352] [2025-04-24 16:51:40,865 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 16:51:40,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:51:40,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 16:51:40,867 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 16:51:40,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2025-04-24 16:51:41,121 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 115 statements into 11 equivalence classes. [2025-04-24 16:51:42,338 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 85 of 115 statements. [2025-04-24 16:51:42,338 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-04-24 16:51:42,338 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:51:42,343 INFO L256 TraceCheckSpWp]: Trace formula consists of 642 conjuncts, 70 conjuncts are in the unsatisfiable core [2025-04-24 16:51:42,346 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 16:51:43,406 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 100 proven. 95 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2025-04-24 16:51:43,406 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 16:51:43,456 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-24 16:51:43,456 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 119 treesize of output 174 [2025-04-24 16:51:44,144 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 55 proven. 91 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2025-04-24 16:51:44,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1715705352] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 16:51:44,144 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 16:51:44,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 36, 28] total 85 [2025-04-24 16:51:44,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205488926] [2025-04-24 16:51:44,144 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 16:51:44,144 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2025-04-24 16:51:44,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:51:44,145 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2025-04-24 16:51:44,147 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1262, Invalid=6048, Unknown=0, NotChecked=0, Total=7310 [2025-04-24 16:51:44,147 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:51:44,147 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:51:44,147 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 86 states, 86 states have (on average 2.046511627906977) internal successors, (176), 85 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 16:51:44,147 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:51:44,147 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:44,147 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:44,147 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:44,147 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:44,147 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:44,147 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:44,147 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:44,148 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:44,148 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:51:44,148 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:44,148 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:44,148 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:44,148 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:44,148 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:44,148 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:44,148 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:44,148 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:44,148 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:44,148 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:44,148 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:44,148 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:44,148 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:44,148 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:51:44,148 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:44,148 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:44,148 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:44,148 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:51:44,148 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:44,149 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:44,149 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:44,149 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:44,149 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:51:44,149 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-04-24 16:51:44,149 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 16:51:44,149 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-24 16:51:44,149 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2025-04-24 16:51:44,149 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 16:51:44,149 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:44,149 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:44,149 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:44,149 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:51:44,149 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-04-24 16:51:44,149 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:44,149 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-24 16:51:44,149 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-04-24 16:51:44,149 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:51:45,033 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:51:45,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:45,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:45,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:45,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:45,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:45,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:45,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:45,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:45,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:51:45,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:45,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:45,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:45,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:45,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:45,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:45,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:45,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:45,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:45,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:45,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:45,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:45,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:45,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:51:45,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:45,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:45,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:45,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:51:45,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:45,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:45,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:45,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:45,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:51:45,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-04-24 16:51:45,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 16:51:45,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-24 16:51:45,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2025-04-24 16:51:45,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 16:51:45,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:45,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:45,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:45,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:51:45,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-04-24 16:51:45,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:45,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-24 16:51:45,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-24 16:51:45,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-04-24 16:51:45,044 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2025-04-24 16:51:45,235 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2025-04-24 16:51:45,235 INFO L403 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:51:45,235 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:51:45,235 INFO L139 ounterexampleChecker]: Examining path program with hash -268649033, occurence #21 [2025-04-24 16:51:45,235 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 16:51:45,235 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 16:51:45,235 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:45,235 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-24 16:51:45,235 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:45,235 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-24 16:51:45,235 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:45,235 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-24 16:51:45,235 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:45,235 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-04-24 16:51:45,235 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:45,235 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2025-04-24 16:51:45,235 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:45,235 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 112 [2025-04-24 16:51:45,235 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:45,235 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2025-04-24 16:51:45,235 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:45,235 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 16:51:45,235 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:51:45,236 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:51:45,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1552102986, now seen corresponding path program 22 times [2025-04-24 16:51:45,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:51:45,236 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402922517] [2025-04-24 16:51:45,236 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 16:51:45,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:51:45,253 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 117 statements into 2 equivalence classes. [2025-04-24 16:51:45,267 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 117 of 117 statements. [2025-04-24 16:51:45,268 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 16:51:45,268 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:51:45,613 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 282 proven. 55 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2025-04-24 16:51:45,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:51:45,613 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402922517] [2025-04-24 16:51:45,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402922517] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 16:51:45,613 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [914391285] [2025-04-24 16:51:45,613 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 16:51:45,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:51:45,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 16:51:45,615 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 16:51:45,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2025-04-24 16:51:45,858 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 117 statements into 2 equivalence classes. [2025-04-24 16:51:45,944 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 117 of 117 statements. [2025-04-24 16:51:45,944 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 16:51:45,944 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:51:45,948 INFO L256 TraceCheckSpWp]: Trace formula consists of 810 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-04-24 16:51:45,950 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 16:51:46,504 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 0 proven. 281 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2025-04-24 16:51:46,504 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 16:51:46,518 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-24 16:51:46,518 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 55 [2025-04-24 16:51:46,771 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 1 proven. 55 refuted. 0 times theorem prover too weak. 391 trivial. 0 not checked. [2025-04-24 16:51:46,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [914391285] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 16:51:46,772 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 16:51:46,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 25, 8] total 55 [2025-04-24 16:51:46,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259633377] [2025-04-24 16:51:46,772 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 16:51:46,772 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2025-04-24 16:51:46,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:51:46,773 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2025-04-24 16:51:46,773 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=362, Invalid=2718, Unknown=0, NotChecked=0, Total=3080 [2025-04-24 16:51:46,773 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:51:46,773 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:51:46,773 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 4.089285714285714) internal successors, (229), 55 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 16:51:46,773 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:51:46,773 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:46,773 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:46,773 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:46,773 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:46,773 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:46,773 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:46,773 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:46,773 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:46,773 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:51:46,773 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:46,773 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:46,773 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:46,773 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:46,773 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:46,773 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:46,773 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:46,773 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:46,773 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:46,773 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:46,773 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:46,773 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:46,773 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:46,773 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:51:46,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:46,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:46,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:46,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:51:46,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:46,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:46,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:46,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:46,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:51:46,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-04-24 16:51:46,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 16:51:46,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-24 16:51:46,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2025-04-24 16:51:46,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 16:51:46,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:46,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:46,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:46,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:51:46,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-04-24 16:51:46,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:46,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-24 16:51:46,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-04-24 16:51:46,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-04-24 16:51:46,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:51:49,546 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:51:49,546 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:49,546 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:49,546 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:49,546 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:49,546 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:49,546 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:49,546 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:49,546 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:49,546 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:51:49,546 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:49,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:49,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:49,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:49,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:49,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:49,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:49,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:49,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:49,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:49,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:49,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:49,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:49,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:51:49,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:49,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:49,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:49,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:51:49,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:49,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:49,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:49,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:49,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:51:49,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-04-24 16:51:49,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 16:51:49,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-24 16:51:49,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2025-04-24 16:51:49,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 16:51:49,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:49,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:49,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:49,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:51:49,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-04-24 16:51:49,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:49,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-24 16:51:49,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-24 16:51:49,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-04-24 16:51:49,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2025-04-24 16:51:49,556 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Ended with exit code 0 [2025-04-24 16:51:49,747 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2025-04-24 16:51:49,748 INFO L403 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:51:49,748 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:51:49,748 INFO L139 ounterexampleChecker]: Examining path program with hash 1722004749, occurence #2 [2025-04-24 16:51:49,748 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 16:51:49,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 16:51:49,748 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:49,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-04-24 16:51:49,748 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:49,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-24 16:51:49,748 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:49,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2025-04-24 16:51:49,748 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:49,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2025-04-24 16:51:49,748 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:49,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2025-04-24 16:51:49,748 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:49,748 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 16:51:49,748 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:51:49,748 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:51:49,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1266428973, now seen corresponding path program 16 times [2025-04-24 16:51:49,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:51:49,749 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435843248] [2025-04-24 16:51:49,749 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 16:51:49,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:51:49,764 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 117 statements into 2 equivalence classes. [2025-04-24 16:51:49,771 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 83 of 117 statements. [2025-04-24 16:51:49,771 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 16:51:49,771 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:51:50,123 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 401 trivial. 0 not checked. [2025-04-24 16:51:50,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:51:50,123 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435843248] [2025-04-24 16:51:50,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435843248] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 16:51:50,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 16:51:50,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2025-04-24 16:51:50,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466375397] [2025-04-24 16:51:50,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 16:51:50,123 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-04-24 16:51:50,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:51:50,124 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-04-24 16:51:50,124 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2025-04-24 16:51:50,124 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:51:50,124 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:51:50,124 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.727272727272727) internal successors, (41), 11 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 16:51:50,124 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:51:50,124 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:50,124 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:50,124 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:50,124 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:50,124 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:50,124 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:50,124 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:50,124 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:50,124 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:51:50,124 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:50,124 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:50,124 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:50,124 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:50,124 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:50,124 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:50,124 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:50,124 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:50,124 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:50,124 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:50,124 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:50,124 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:50,124 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:50,124 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:51:50,124 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:50,124 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:50,124 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:50,124 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:51:50,124 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:50,124 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:50,124 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:50,124 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:50,124 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:51:50,124 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-04-24 16:51:50,124 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 16:51:50,124 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-24 16:51:50,124 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2025-04-24 16:51:50,124 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 16:51:50,124 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:50,124 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:50,124 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:50,124 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:51:50,125 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-04-24 16:51:50,125 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:50,125 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-24 16:51:50,125 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-04-24 16:51:50,125 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-04-24 16:51:50,125 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2025-04-24 16:51:50,125 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:51:50,686 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:51:50,686 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:50,686 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:50,686 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:50,686 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:50,686 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:50,686 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:50,686 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:50,686 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:50,686 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:51:50,686 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:50,686 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:50,686 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:50,686 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:50,686 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:50,686 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:50,686 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:50,686 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:50,686 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:50,686 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:50,686 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:50,686 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:50,686 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:50,686 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:51:50,686 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:50,686 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:50,686 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:50,686 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:51:50,686 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:50,686 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:50,686 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:50,686 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:50,686 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:51:50,686 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-04-24 16:51:50,686 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 16:51:50,687 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-24 16:51:50,687 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2025-04-24 16:51:50,687 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 16:51:50,687 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:50,687 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:50,687 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:50,687 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:51:50,687 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-04-24 16:51:50,687 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:50,687 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-24 16:51:50,687 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-24 16:51:50,687 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-04-24 16:51:50,687 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2025-04-24 16:51:50,687 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:51:50,687 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2025-04-24 16:51:50,687 INFO L403 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:51:50,687 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:51:50,687 INFO L139 ounterexampleChecker]: Examining path program with hash 1722004749, occurence #3 [2025-04-24 16:51:50,687 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 16:51:50,687 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 16:51:50,687 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:50,687 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-04-24 16:51:50,687 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:50,687 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-24 16:51:50,687 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:50,687 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2025-04-24 16:51:50,687 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:50,687 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2025-04-24 16:51:50,687 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:50,687 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 111 [2025-04-24 16:51:50,687 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:50,687 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 120 [2025-04-24 16:51:50,687 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:50,687 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 16:51:50,687 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:51:50,688 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:51:50,688 INFO L85 PathProgramCache]: Analyzing trace with hash 961773720, now seen corresponding path program 1 times [2025-04-24 16:51:50,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:51:50,688 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880662218] [2025-04-24 16:51:50,688 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 16:51:50,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:51:50,704 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-04-24 16:51:50,716 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-04-24 16:51:50,716 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 16:51:50,716 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:51:51,079 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 293 proven. 114 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2025-04-24 16:51:51,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:51:51,080 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880662218] [2025-04-24 16:51:51,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880662218] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 16:51:51,080 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [351146073] [2025-04-24 16:51:51,080 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 16:51:51,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:51:51,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 16:51:51,081 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 16:51:51,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2025-04-24 16:51:51,315 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-04-24 16:51:51,372 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-04-24 16:51:51,373 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 16:51:51,373 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:51:51,376 INFO L256 TraceCheckSpWp]: Trace formula consists of 849 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-04-24 16:51:51,377 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 16:51:51,784 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 351 proven. 55 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2025-04-24 16:51:51,784 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 16:51:52,178 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 351 proven. 55 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2025-04-24 16:51:52,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [351146073] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 16:51:52,179 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 16:51:52,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 69 [2025-04-24 16:51:52,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509068610] [2025-04-24 16:51:52,179 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 16:51:52,179 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2025-04-24 16:51:52,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:51:52,180 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2025-04-24 16:51:52,180 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=865, Invalid=3965, Unknown=0, NotChecked=0, Total=4830 [2025-04-24 16:51:52,180 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:51:52,180 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:51:52,180 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 3.9571428571428573) internal successors, (277), 69 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 16:51:52,180 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:51:52,181 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:52,181 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:52,181 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:52,181 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:52,181 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:52,181 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:52,181 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:52,181 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:52,181 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:51:52,181 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:52,181 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:52,181 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:52,181 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:52,181 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:52,181 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:52,181 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:52,181 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:52,181 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:52,181 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:52,181 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:52,181 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:52,181 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:52,181 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:51:52,181 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:52,181 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:52,181 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:52,181 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:51:52,181 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:52,181 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:52,181 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:52,181 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:52,181 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:51:52,181 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-04-24 16:51:52,181 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 16:51:52,181 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-24 16:51:52,181 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2025-04-24 16:51:52,181 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 16:51:52,181 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:52,181 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:52,181 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:52,181 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:51:52,181 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-04-24 16:51:52,181 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:52,181 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-24 16:51:52,181 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-04-24 16:51:52,181 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-04-24 16:51:52,181 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2025-04-24 16:51:52,181 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:51:52,181 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:51:53,270 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:51:53,270 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:53,270 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:53,270 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:53,270 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:53,270 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:53,270 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:53,270 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:53,270 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:53,270 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:51:53,270 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:53,270 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:53,270 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:53,270 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:53,270 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:53,270 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:53,270 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:53,270 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:53,270 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:53,270 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:53,271 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:53,271 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:53,271 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:53,271 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:51:53,271 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:53,271 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:53,271 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:53,271 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:51:53,271 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:53,271 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:53,271 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:53,271 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:53,271 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:51:53,271 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-04-24 16:51:53,271 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 16:51:53,271 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-24 16:51:53,271 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2025-04-24 16:51:53,271 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 16:51:53,271 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:53,271 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:53,271 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:53,271 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:51:53,271 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-04-24 16:51:53,271 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:53,271 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-24 16:51:53,271 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-24 16:51:53,271 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-04-24 16:51:53,271 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2025-04-24 16:51:53,271 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:51:53,274 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-04-24 16:51:53,282 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2025-04-24 16:51:53,475 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49,43 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:51:53,475 INFO L403 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:51:53,475 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:51:53,475 INFO L139 ounterexampleChecker]: Examining path program with hash 1722004749, occurence #4 [2025-04-24 16:51:53,475 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 16:51:53,475 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 16:51:53,475 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:53,475 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-04-24 16:51:53,475 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:53,475 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-24 16:51:53,475 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:53,475 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-04-24 16:51:53,475 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:53,475 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2025-04-24 16:51:53,475 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:53,475 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2025-04-24 16:51:53,475 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:53,475 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 122 [2025-04-24 16:51:53,475 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:53,475 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 16:51:53,475 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:51:53,476 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:51:53,476 INFO L85 PathProgramCache]: Analyzing trace with hash -460717277, now seen corresponding path program 2 times [2025-04-24 16:51:53,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:51:53,476 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438734843] [2025-04-24 16:51:53,476 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 16:51:53,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:51:53,499 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 126 statements into 2 equivalence classes. [2025-04-24 16:51:53,521 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 126 of 126 statements. [2025-04-24 16:51:53,522 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 16:51:53,522 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:51:53,935 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 331 proven. 87 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2025-04-24 16:51:53,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:51:53,935 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438734843] [2025-04-24 16:51:53,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438734843] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 16:51:53,935 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [61149063] [2025-04-24 16:51:53,935 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 16:51:53,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:51:53,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 16:51:53,937 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 16:51:53,938 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2025-04-24 16:51:54,176 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 126 statements into 2 equivalence classes. [2025-04-24 16:51:54,237 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 126 of 126 statements. [2025-04-24 16:51:54,237 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 16:51:54,237 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:51:54,241 INFO L256 TraceCheckSpWp]: Trace formula consists of 867 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-04-24 16:51:54,243 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 16:51:54,834 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 352 proven. 66 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2025-04-24 16:51:54,834 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 16:51:55,260 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 352 proven. 66 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2025-04-24 16:51:55,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [61149063] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 16:51:55,260 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 16:51:55,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 62 [2025-04-24 16:51:55,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667756794] [2025-04-24 16:51:55,260 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 16:51:55,260 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2025-04-24 16:51:55,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:51:55,261 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2025-04-24 16:51:55,261 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=989, Invalid=2917, Unknown=0, NotChecked=0, Total=3906 [2025-04-24 16:51:55,261 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:51:55,261 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:51:55,261 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 3.6031746031746033) internal successors, (227), 62 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 16:51:55,261 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:51:55,261 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:55,261 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:55,261 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:55,261 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:55,261 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:55,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:55,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:55,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:55,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:51:55,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:55,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:55,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:55,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:55,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:55,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:55,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:55,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:55,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:55,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:55,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:55,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:55,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:55,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:51:55,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:55,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:55,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:55,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:51:55,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:55,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:55,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:55,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:55,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:51:55,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-04-24 16:51:55,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 16:51:55,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-24 16:51:55,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2025-04-24 16:51:55,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 16:51:55,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:55,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:55,263 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:55,264 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:51:55,264 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-04-24 16:51:55,264 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:55,264 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-24 16:51:55,264 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-04-24 16:51:55,264 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-04-24 16:51:55,264 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2025-04-24 16:51:55,264 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:51:55,264 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-04-24 16:51:55,264 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:51:55,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:51:55,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:55,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:55,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:55,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:51:55,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:51:55,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:55,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:55,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:55,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:51:55,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:55,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:55,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:51:55,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:55,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:55,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:55,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:55,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:55,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:51:55,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:55,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:55,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:55,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:55,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:51:55,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:51:55,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:55,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:55,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:51:55,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:51:55,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:51:55,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:51:55,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:51:55,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:51:55,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-04-24 16:51:55,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 16:51:55,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-24 16:51:55,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2025-04-24 16:51:55,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 16:51:55,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:55,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:51:55,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:51:55,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:51:55,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-04-24 16:51:55,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:51:55,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-24 16:51:55,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-24 16:51:55,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-04-24 16:51:55,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2025-04-24 16:51:55,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:51:55,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-04-24 16:51:55,758 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-24 16:51:55,766 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Ended with exit code 0 [2025-04-24 16:51:55,958 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,44 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:51:55,958 INFO L403 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:51:55,958 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:51:55,958 INFO L139 ounterexampleChecker]: Examining path program with hash 1722004749, occurence #5 [2025-04-24 16:51:55,959 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 16:51:55,959 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 16:51:55,959 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:55,959 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-24 16:51:55,959 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:55,959 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2025-04-24 16:51:55,959 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:55,959 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2025-04-24 16:51:55,959 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:55,959 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2025-04-24 16:51:55,959 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:55,959 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2025-04-24 16:51:55,959 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:51:55,959 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 123 [2025-04-24 16:51:55,959 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:51:55,959 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 16:51:55,959 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:51:55,960 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:51:55,960 INFO L85 PathProgramCache]: Analyzing trace with hash 108905366, now seen corresponding path program 3 times [2025-04-24 16:51:55,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:51:55,960 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661190684] [2025-04-24 16:51:55,960 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 16:51:55,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:51:55,977 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 127 statements into 12 equivalence classes. [2025-04-24 16:51:56,346 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) and asserted 127 of 127 statements. [2025-04-24 16:51:56,346 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2025-04-24 16:51:56,347 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:51:56,898 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 352 proven. 78 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2025-04-24 16:51:56,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:51:56,898 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661190684] [2025-04-24 16:51:56,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661190684] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 16:51:56,898 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [838006921] [2025-04-24 16:51:56,898 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 16:51:56,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:51:56,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 16:51:56,900 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 16:51:56,901 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2025-04-24 16:51:57,173 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 127 statements into 12 equivalence classes. [2025-04-24 16:52:05,090 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) and asserted 127 of 127 statements. [2025-04-24 16:52:05,090 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2025-04-24 16:52:05,090 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:52:05,104 INFO L256 TraceCheckSpWp]: Trace formula consists of 876 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-04-24 16:52:05,106 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 16:52:05,717 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 352 proven. 66 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-04-24 16:52:05,717 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 16:52:06,287 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 352 proven. 66 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-04-24 16:52:06,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [838006921] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 16:52:06,288 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 16:52:06,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 26, 26] total 79 [2025-04-24 16:52:06,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431746938] [2025-04-24 16:52:06,288 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 16:52:06,288 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2025-04-24 16:52:06,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:52:06,289 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2025-04-24 16:52:06,289 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1058, Invalid=5262, Unknown=0, NotChecked=0, Total=6320 [2025-04-24 16:52:06,289 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:52:06,289 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:52:06,289 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 80 states have (on average 3.7875) internal successors, (303), 79 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 16:52:06,289 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:52:06,289 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:52:06,289 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:52:06,289 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:52:06,289 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:52:06,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:52:06,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:52:06,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:52:06,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:52:06,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:52:06,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:52:06,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:52:06,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:52:06,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:52:06,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:52:06,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:52:06,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:52:06,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:52:06,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:52:06,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:52:06,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:52:06,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:52:06,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:52:06,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:52:06,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:52:06,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:52:06,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:52:06,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:52:06,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:52:06,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:52:06,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:52:06,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:52:06,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:52:06,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-04-24 16:52:06,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 16:52:06,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-24 16:52:06,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2025-04-24 16:52:06,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 16:52:06,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:52:06,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:52:06,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:52:06,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:52:06,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-04-24 16:52:06,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:52:06,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-24 16:52:06,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-04-24 16:52:06,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-04-24 16:52:06,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2025-04-24 16:52:06,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:52:06,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-04-24 16:52:06,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-24 16:52:06,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:52:07,107 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:52:07,107 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:52:07,107 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:52:07,107 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:52:07,107 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:52:07,107 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:52:07,107 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:52:07,107 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:52:07,107 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:52:07,108 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:52:07,108 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:52:07,108 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:52:07,108 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:52:07,108 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:52:07,108 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:52:07,108 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:52:07,108 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:52:07,108 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:52:07,108 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:52:07,108 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:52:07,108 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:52:07,108 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:52:07,108 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:52:07,108 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:52:07,108 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:52:07,108 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:52:07,108 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:52:07,108 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:52:07,108 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:52:07,108 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:52:07,108 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:52:07,108 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:52:07,108 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:52:07,108 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-04-24 16:52:07,108 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 16:52:07,108 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-24 16:52:07,108 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2025-04-24 16:52:07,108 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 16:52:07,108 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:52:07,108 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:52:07,108 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:52:07,108 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:52:07,108 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-04-24 16:52:07,108 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:52:07,108 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-24 16:52:07,108 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-24 16:52:07,108 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-04-24 16:52:07,108 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2025-04-24 16:52:07,108 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:52:07,108 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-04-24 16:52:07,108 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-24 16:52:07,109 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-04-24 16:52:07,123 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Ended with exit code 0 [2025-04-24 16:52:07,309 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,45 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:52:07,309 INFO L403 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:52:07,309 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:52:07,309 INFO L139 ounterexampleChecker]: Examining path program with hash 1722004749, occurence #6 [2025-04-24 16:52:07,309 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 16:52:07,310 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 16:52:07,310 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:52:07,310 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-04-24 16:52:07,310 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:52:07,310 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-04-24 16:52:07,310 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:52:07,310 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2025-04-24 16:52:07,310 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:52:07,310 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2025-04-24 16:52:07,310 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:52:07,310 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 116 [2025-04-24 16:52:07,310 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:52:07,310 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 125 [2025-04-24 16:52:07,310 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:52:07,310 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 16:52:07,310 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:52:07,310 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:52:07,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1077877666, now seen corresponding path program 4 times [2025-04-24 16:52:07,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:52:07,310 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965961261] [2025-04-24 16:52:07,311 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 16:52:07,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:52:07,330 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 129 statements into 2 equivalence classes. [2025-04-24 16:52:07,348 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 129 of 129 statements. [2025-04-24 16:52:07,348 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 16:52:07,348 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:52:07,720 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2025-04-24 16:52:07,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:52:07,720 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965961261] [2025-04-24 16:52:07,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965961261] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 16:52:07,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 16:52:07,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-04-24 16:52:07,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498594075] [2025-04-24 16:52:07,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 16:52:07,720 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-04-24 16:52:07,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:52:07,721 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-04-24 16:52:07,721 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2025-04-24 16:52:07,721 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:52:07,721 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:52:07,721 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 7 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 16:52:07,721 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:52:07,721 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:52:07,721 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:52:07,721 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:52:07,721 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:52:07,721 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:52:07,721 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:52:07,721 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:52:07,721 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:52:07,721 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:52:07,721 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:52:07,721 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:52:07,721 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:52:07,721 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:52:07,721 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:52:07,721 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:52:07,721 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:52:07,721 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:52:07,721 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:52:07,721 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:52:07,721 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:52:07,721 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:52:07,721 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:52:07,721 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:52:07,721 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:52:07,721 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:52:07,721 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:52:07,721 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:52:07,721 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:52:07,721 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:52:07,721 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:52:07,721 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:52:07,721 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:52:07,721 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-04-24 16:52:07,721 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 16:52:07,721 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-24 16:52:07,721 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2025-04-24 16:52:07,721 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 16:52:07,721 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:52:07,721 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:52:07,721 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:52:07,721 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:52:07,721 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-04-24 16:52:07,721 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:52:07,721 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-24 16:52:07,721 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-04-24 16:52:07,721 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-04-24 16:52:07,721 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2025-04-24 16:52:07,721 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:52:07,721 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-04-24 16:52:07,722 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-24 16:52:07,722 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2025-04-24 16:52:07,722 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:52:07,947 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:52:07,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:52:07,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:52:07,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:52:07,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:52:07,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:52:07,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:52:07,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:52:07,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:52:07,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:52:07,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:52:07,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:52:07,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:52:07,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:52:07,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:52:07,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:52:07,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:52:07,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:52:07,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:52:07,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:52:07,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:52:07,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:52:07,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:52:07,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:52:07,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:52:07,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:52:07,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:52:07,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:52:07,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:52:07,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:52:07,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:52:07,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:52:07,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:52:07,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-04-24 16:52:07,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 16:52:07,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-24 16:52:07,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2025-04-24 16:52:07,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 16:52:07,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:52:07,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:52:07,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:52:07,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:52:07,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-04-24 16:52:07,951 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:52:07,952 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-24 16:52:07,952 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-24 16:52:07,952 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-04-24 16:52:07,952 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2025-04-24 16:52:07,952 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:52:07,952 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-04-24 16:52:07,952 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-24 16:52:07,952 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-04-24 16:52:07,952 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 16:52:07,952 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2025-04-24 16:52:07,952 INFO L403 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:52:07,952 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:52:07,952 INFO L139 ounterexampleChecker]: Examining path program with hash -2082716773, occurence #2 [2025-04-24 16:52:07,952 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 16:52:07,952 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 16:52:07,952 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:52:07,952 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-04-24 16:52:07,952 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:52:07,952 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-04-24 16:52:07,952 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:52:07,952 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2025-04-24 16:52:07,952 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:52:07,952 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2025-04-24 16:52:07,952 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:52:07,952 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 116 [2025-04-24 16:52:07,952 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:52:07,952 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 122 [2025-04-24 16:52:07,952 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:52:07,952 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 126 [2025-04-24 16:52:07,952 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:52:07,952 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 16:52:07,952 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:52:07,953 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:52:07,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1722882779, now seen corresponding path program 1 times [2025-04-24 16:52:07,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:52:07,953 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780029543] [2025-04-24 16:52:07,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 16:52:07,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:52:07,971 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 130 statements into 1 equivalence classes. [2025-04-24 16:52:07,984 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 130 of 130 statements. [2025-04-24 16:52:07,984 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 16:52:07,984 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:52:08,401 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 352 proven. 66 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2025-04-24 16:52:08,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:52:08,401 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780029543] [2025-04-24 16:52:08,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780029543] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 16:52:08,401 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [730263832] [2025-04-24 16:52:08,401 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 16:52:08,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:52:08,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 16:52:08,403 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 16:52:08,404 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2025-04-24 16:52:08,693 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 130 statements into 1 equivalence classes. [2025-04-24 16:52:08,753 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 130 of 130 statements. [2025-04-24 16:52:08,753 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 16:52:08,753 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:52:08,757 INFO L256 TraceCheckSpWp]: Trace formula consists of 900 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-04-24 16:52:08,758 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 16:52:09,263 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 352 proven. 66 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2025-04-24 16:52:09,263 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 16:52:09,584 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 352 proven. 66 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2025-04-24 16:52:09,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [730263832] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 16:52:09,585 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 16:52:09,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 26] total 62 [2025-04-24 16:52:09,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742171429] [2025-04-24 16:52:09,585 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 16:52:09,585 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2025-04-24 16:52:09,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:52:09,586 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2025-04-24 16:52:09,586 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1076, Invalid=2830, Unknown=0, NotChecked=0, Total=3906 [2025-04-24 16:52:09,586 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:52:09,586 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:52:09,586 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 3.380952380952381) internal successors, (213), 62 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 16:52:09,586 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:52:09,586 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:52:09,586 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:52:09,586 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:52:09,586 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:52:09,586 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:52:09,586 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:52:09,586 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:52:09,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:52:09,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:52:09,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:52:09,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:52:09,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:52:09,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:52:09,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:52:09,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:52:09,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:52:09,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:52:09,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:52:09,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:52:09,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:52:09,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:52:09,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:52:09,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:52:09,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:52:09,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:52:09,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:52:09,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:52:09,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:52:09,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:52:09,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:52:09,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:52:09,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:52:09,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-04-24 16:52:09,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 16:52:09,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-24 16:52:09,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2025-04-24 16:52:09,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 16:52:09,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:52:09,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:52:09,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:52:09,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:52:09,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-04-24 16:52:09,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:52:09,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-24 16:52:09,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-04-24 16:52:09,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-04-24 16:52:09,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2025-04-24 16:52:09,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:52:09,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-04-24 16:52:09,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-24 16:52:09,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2025-04-24 16:52:09,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 16:52:09,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:52:09,891 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:52:09,891 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:52:09,891 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:52:09,891 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:52:09,891 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:52:09,891 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:52:09,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:52:09,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:52:09,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:52:09,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:52:09,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:52:09,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:52:09,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:52:09,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:52:09,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:52:09,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:52:09,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:52:09,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:52:09,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:52:09,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:52:09,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:52:09,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:52:09,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:52:09,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:52:09,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:52:09,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:52:09,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:52:09,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:52:09,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:52:09,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:52:09,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:52:09,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:52:09,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:52:09,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-04-24 16:52:09,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 16:52:09,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-24 16:52:09,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2025-04-24 16:52:09,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 16:52:09,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:52:09,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:52:09,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:52:09,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:52:09,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-04-24 16:52:09,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:52:09,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-24 16:52:09,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-24 16:52:09,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-04-24 16:52:09,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2025-04-24 16:52:09,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:52:09,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-04-24 16:52:09,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-24 16:52:09,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-04-24 16:52:09,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 16:52:09,893 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-24 16:52:09,903 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Ended with exit code 0 [2025-04-24 16:52:10,093 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2025-04-24 16:52:10,093 INFO L403 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:52:10,093 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:52:10,093 INFO L139 ounterexampleChecker]: Examining path program with hash -2082716773, occurence #3 [2025-04-24 16:52:10,093 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 16:52:10,093 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 16:52:10,093 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:52:10,093 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-04-24 16:52:10,093 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:52:10,093 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2025-04-24 16:52:10,093 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:52:10,094 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2025-04-24 16:52:10,094 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:52:10,094 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2025-04-24 16:52:10,094 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:52:10,094 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2025-04-24 16:52:10,094 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:52:10,094 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 123 [2025-04-24 16:52:10,094 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:52:10,094 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 127 [2025-04-24 16:52:10,094 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:52:10,094 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 16:52:10,094 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:52:10,094 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:52:10,094 INFO L85 PathProgramCache]: Analyzing trace with hash 2064173349, now seen corresponding path program 2 times [2025-04-24 16:52:10,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:52:10,094 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460885580] [2025-04-24 16:52:10,094 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 16:52:10,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:52:10,111 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 131 statements into 2 equivalence classes. [2025-04-24 16:52:10,226 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 131 of 131 statements. [2025-04-24 16:52:10,226 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 16:52:10,227 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:52:13,342 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 325 proven. 183 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2025-04-24 16:52:13,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:52:13,343 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460885580] [2025-04-24 16:52:13,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460885580] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 16:52:13,343 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [284573421] [2025-04-24 16:52:13,343 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 16:52:13,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:52:13,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 16:52:13,344 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 16:52:13,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2025-04-24 16:52:13,613 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 131 statements into 2 equivalence classes. [2025-04-24 16:52:13,704 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 131 of 131 statements. [2025-04-24 16:52:13,704 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 16:52:13,704 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:52:13,709 INFO L256 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 153 conjuncts are in the unsatisfiable core [2025-04-24 16:52:13,713 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 16:52:14,908 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-04-24 16:52:17,189 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 0 proven. 507 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2025-04-24 16:52:17,190 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 16:52:22,833 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-24 16:52:22,834 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 303 treesize of output 307 [2025-04-24 16:52:22,867 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-24 16:52:22,867 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 93 treesize of output 80 [2025-04-24 16:52:23,091 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-24 16:52:23,091 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 97 treesize of output 134 [2025-04-24 16:52:23,313 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-24 16:52:23,313 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 263 treesize of output 258 [2025-04-24 16:52:23,923 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 0 proven. 364 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2025-04-24 16:52:23,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [284573421] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 16:52:23,923 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 16:52:23,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56, 65, 41] total 160 [2025-04-24 16:52:23,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955043679] [2025-04-24 16:52:23,924 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 16:52:23,924 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 161 states [2025-04-24 16:52:23,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:52:23,925 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 161 interpolants. [2025-04-24 16:52:23,926 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1649, Invalid=24111, Unknown=0, NotChecked=0, Total=25760 [2025-04-24 16:52:23,926 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:52:23,926 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:52:23,926 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 161 states, 161 states have (on average 2.0745341614906834) internal successors, (334), 160 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 16:52:23,926 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:52:23,927 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:52:23,927 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:52:23,927 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:52:23,927 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:52:23,927 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:52:23,927 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:52:23,927 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:52:23,927 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:52:23,927 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:52:23,927 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:52:23,927 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:52:23,927 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:52:23,927 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:52:23,927 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:52:23,927 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:52:23,927 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:52:23,927 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:52:23,927 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:52:23,927 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:52:23,927 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:52:23,927 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:52:23,927 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:52:23,928 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:52:23,928 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:52:23,928 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:52:23,928 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:52:23,928 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:52:23,928 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:52:23,928 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:52:23,928 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:52:23,928 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:52:23,928 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:52:23,928 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-04-24 16:52:23,928 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 16:52:23,928 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-24 16:52:23,928 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2025-04-24 16:52:23,928 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 16:52:23,928 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:52:23,928 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:52:23,928 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:52:23,928 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:52:23,928 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-04-24 16:52:23,928 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:52:23,928 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-24 16:52:23,928 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-04-24 16:52:23,928 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-04-24 16:52:23,928 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2025-04-24 16:52:23,928 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:52:23,928 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-04-24 16:52:23,928 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-24 16:52:23,928 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2025-04-24 16:52:23,928 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 16:52:23,928 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-04-24 16:52:23,928 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:53:18,674 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:53:18,674 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:53:18,674 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:53:18,674 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:53:18,674 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:53:18,674 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:53:18,674 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:53:18,674 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:53:18,674 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:53:18,674 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:53:18,674 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:53:18,674 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:53:18,674 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:53:18,675 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:53:18,675 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:53:18,675 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:53:18,675 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:53:18,675 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:53:18,675 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:53:18,675 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:53:18,675 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:53:18,675 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:53:18,675 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:53:18,675 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:53:18,675 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:53:18,675 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:53:18,675 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:53:18,675 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:53:18,675 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:53:18,675 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:53:18,675 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:53:18,675 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:53:18,675 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:53:18,675 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-04-24 16:53:18,675 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 16:53:18,675 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-24 16:53:18,675 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2025-04-24 16:53:18,675 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 16:53:18,675 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:53:18,675 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:53:18,675 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:53:18,675 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:53:18,675 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-04-24 16:53:18,675 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:53:18,675 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-24 16:53:18,675 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-24 16:53:18,675 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-04-24 16:53:18,675 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2025-04-24 16:53:18,675 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:53:18,675 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-04-24 16:53:18,675 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-24 16:53:18,675 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-04-24 16:53:18,675 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 16:53:18,675 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-24 16:53:18,676 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 252 states. [2025-04-24 16:53:18,685 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Ended with exit code 0 [2025-04-24 16:53:18,876 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,47 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:53:18,876 INFO L403 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:53:18,876 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:53:18,876 INFO L139 ounterexampleChecker]: Examining path program with hash -2082716773, occurence #4 [2025-04-24 16:53:18,876 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 16:53:18,876 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 16:53:18,876 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:53:18,876 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-04-24 16:53:18,876 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:53:18,876 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2025-04-24 16:53:18,876 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:53:18,876 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2025-04-24 16:53:18,876 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:53:18,876 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-04-24 16:53:18,876 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:53:18,877 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 190 [2025-04-24 16:53:18,877 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:53:18,877 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 196 [2025-04-24 16:53:18,877 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:53:18,877 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 200 [2025-04-24 16:53:18,877 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:53:18,877 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 16:53:18,877 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:53:18,877 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:53:18,877 INFO L85 PathProgramCache]: Analyzing trace with hash -1045874489, now seen corresponding path program 3 times [2025-04-24 16:53:18,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:53:18,877 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568278821] [2025-04-24 16:53:18,877 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 16:53:18,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:53:18,902 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 204 statements into 24 equivalence classes. [2025-04-24 16:53:19,229 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 24 check-sat command(s) and asserted 204 of 204 statements. [2025-04-24 16:53:19,230 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 24 check-sat command(s) [2025-04-24 16:53:19,230 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:53:20,167 INFO L134 CoverageAnalysis]: Checked inductivity of 1824 backedges. 1519 proven. 123 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2025-04-24 16:53:20,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:53:20,167 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568278821] [2025-04-24 16:53:20,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568278821] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 16:53:20,167 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1795867577] [2025-04-24 16:53:20,167 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 16:53:20,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:53:20,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 16:53:20,169 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 16:53:20,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2025-04-24 16:53:20,464 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 204 statements into 24 equivalence classes. [2025-04-24 16:53:40,519 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 24 check-sat command(s) and asserted 204 of 204 statements. [2025-04-24 16:53:40,520 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 24 check-sat command(s) [2025-04-24 16:53:40,520 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:53:40,542 INFO L256 TraceCheckSpWp]: Trace formula consists of 1278 conjuncts, 42 conjuncts are in the unsatisfiable core [2025-04-24 16:53:40,545 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 16:53:41,668 INFO L134 CoverageAnalysis]: Checked inductivity of 1824 backedges. 1564 proven. 91 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2025-04-24 16:53:41,669 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 16:53:42,987 INFO L134 CoverageAnalysis]: Checked inductivity of 1824 backedges. 1564 proven. 91 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2025-04-24 16:53:42,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1795867577] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 16:53:42,987 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 16:53:42,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39, 39] total 115 [2025-04-24 16:53:42,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867505579] [2025-04-24 16:53:42,987 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 16:53:42,988 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 116 states [2025-04-24 16:53:42,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:53:42,989 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 116 interpolants. [2025-04-24 16:53:42,990 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2655, Invalid=10685, Unknown=0, NotChecked=0, Total=13340 [2025-04-24 16:53:42,990 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:53:42,990 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:53:42,990 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 116 states, 116 states have (on average 4.5344827586206895) internal successors, (526), 115 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 16:53:42,990 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:53:42,990 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:53:42,990 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:53:42,990 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:53:42,990 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:53:42,990 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:53:42,990 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:53:42,990 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:53:42,990 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:53:42,990 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:53:42,990 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:53:42,990 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:53:42,990 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:53:42,990 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:53:42,990 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:53:42,990 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:53:42,990 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:53:42,990 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:53:42,990 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:53:42,990 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:53:42,991 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:53:42,991 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:53:42,991 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:53:42,991 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:53:42,991 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:53:42,991 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:53:42,991 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:53:42,991 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:53:42,991 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:53:42,991 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:53:42,991 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:53:42,991 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:53:42,991 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:53:42,991 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-04-24 16:53:42,991 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 16:53:42,991 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-24 16:53:42,991 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2025-04-24 16:53:42,991 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 16:53:42,991 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:53:42,991 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:53:42,991 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:53:42,991 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:53:42,991 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-04-24 16:53:42,991 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:53:42,991 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-24 16:53:42,991 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-04-24 16:53:42,991 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-04-24 16:53:42,991 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2025-04-24 16:53:42,991 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:53:42,991 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-04-24 16:53:42,991 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-24 16:53:42,991 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2025-04-24 16:53:42,991 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 16:53:42,991 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-04-24 16:53:42,991 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 252 states. [2025-04-24 16:53:42,991 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:53:44,637 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:53:44,637 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:53:44,637 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:53:44,637 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:53:44,637 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:53:44,637 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:53:44,637 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:53:44,637 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:53:44,637 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:53:44,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:53:44,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:53:44,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:53:44,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:53:44,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:53:44,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:53:44,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:53:44,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:53:44,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:53:44,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:53:44,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:53:44,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:53:44,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:53:44,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:53:44,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:53:44,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:53:44,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:53:44,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:53:44,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:53:44,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:53:44,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:53:44,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:53:44,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:53:44,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:53:44,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-04-24 16:53:44,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 16:53:44,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-24 16:53:44,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2025-04-24 16:53:44,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 16:53:44,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:53:44,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:53:44,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:53:44,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:53:44,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-04-24 16:53:44,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:53:44,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-24 16:53:44,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-24 16:53:44,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-04-24 16:53:44,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2025-04-24 16:53:44,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:53:44,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-04-24 16:53:44,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-24 16:53:44,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-04-24 16:53:44,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 16:53:44,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-24 16:53:44,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 252 states. [2025-04-24 16:53:44,639 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2025-04-24 16:53:44,664 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Ended with exit code 0 [2025-04-24 16:53:44,839 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55,48 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:53:44,840 INFO L403 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:53:44,840 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:53:44,840 INFO L139 ounterexampleChecker]: Examining path program with hash -2082716773, occurence #5 [2025-04-24 16:53:44,840 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 16:53:44,840 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 16:53:44,840 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:53:44,840 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2025-04-24 16:53:44,840 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:53:44,840 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-24 16:53:44,840 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:53:44,840 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-24 16:53:44,840 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:53:44,840 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2025-04-24 16:53:44,840 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:53:44,840 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 202 [2025-04-24 16:53:44,840 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:53:44,840 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 208 [2025-04-24 16:53:44,840 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:53:44,840 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 212 [2025-04-24 16:53:44,840 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:53:44,841 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 16:53:44,841 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:53:44,841 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:53:44,841 INFO L85 PathProgramCache]: Analyzing trace with hash -1399312525, now seen corresponding path program 4 times [2025-04-24 16:53:44,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:53:44,841 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759085327] [2025-04-24 16:53:44,841 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 16:53:44,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:53:44,863 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 216 statements into 2 equivalence classes. [2025-04-24 16:53:44,898 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 216 of 216 statements. [2025-04-24 16:53:44,898 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 16:53:44,898 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:53:45,935 INFO L134 CoverageAnalysis]: Checked inductivity of 2046 backedges. 1564 proven. 91 refuted. 0 times theorem prover too weak. 391 trivial. 0 not checked. [2025-04-24 16:53:45,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:53:45,935 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759085327] [2025-04-24 16:53:45,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759085327] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 16:53:45,935 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [466479099] [2025-04-24 16:53:45,935 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 16:53:45,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:53:45,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 16:53:45,937 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 16:53:45,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2025-04-24 16:53:46,246 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 216 statements into 2 equivalence classes. [2025-04-24 16:53:47,612 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 216 of 216 statements. [2025-04-24 16:53:47,612 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 16:53:47,612 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:53:47,621 INFO L256 TraceCheckSpWp]: Trace formula consists of 1386 conjuncts, 44 conjuncts are in the unsatisfiable core [2025-04-24 16:53:47,624 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 16:53:49,022 INFO L134 CoverageAnalysis]: Checked inductivity of 2046 backedges. 1564 proven. 91 refuted. 0 times theorem prover too weak. 391 trivial. 0 not checked. [2025-04-24 16:53:49,022 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 16:53:50,341 INFO L134 CoverageAnalysis]: Checked inductivity of 2046 backedges. 1564 proven. 91 refuted. 0 times theorem prover too weak. 391 trivial. 0 not checked. [2025-04-24 16:53:50,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [466479099] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 16:53:50,341 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 16:53:50,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 40, 40] total 118 [2025-04-24 16:53:50,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713159705] [2025-04-24 16:53:50,341 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 16:53:50,342 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 119 states [2025-04-24 16:53:50,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 16:53:50,343 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 119 interpolants. [2025-04-24 16:53:50,344 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2761, Invalid=11281, Unknown=0, NotChecked=0, Total=14042 [2025-04-24 16:53:50,344 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:53:50,344 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 16:53:50,344 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 119 states, 119 states have (on average 4.394957983193278) internal successors, (523), 118 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 16:53:50,344 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:53:50,344 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:53:50,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:53:50,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:53:50,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:53:50,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:53:50,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:53:50,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:53:50,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:53:50,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:53:50,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:53:50,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:53:50,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:53:50,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:53:50,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:53:50,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:53:50,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:53:50,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:53:50,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:53:50,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:53:50,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:53:50,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:53:50,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:53:50,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:53:50,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:53:50,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:53:50,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:53:50,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:53:50,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:53:50,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:53:50,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:53:50,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:53:50,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:53:50,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-04-24 16:53:50,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 16:53:50,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-24 16:53:50,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2025-04-24 16:53:50,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 16:53:50,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:53:50,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:53:50,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:53:50,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:53:50,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-04-24 16:53:50,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:53:50,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-24 16:53:50,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-04-24 16:53:50,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-04-24 16:53:50,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2025-04-24 16:53:50,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:53:50,346 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-04-24 16:53:50,346 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-24 16:53:50,346 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2025-04-24 16:53:50,346 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 16:53:50,346 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-04-24 16:53:50,346 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 252 states. [2025-04-24 16:53:50,346 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2025-04-24 16:53:50,346 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 16:53:51,786 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 16:53:51,786 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:53:51,786 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:53:51,786 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:53:51,786 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 16:53:51,786 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 16:53:51,786 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:53:51,786 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:53:51,786 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:53:51,786 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 16:53:51,786 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:53:51,786 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:53:51,786 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 16:53:51,786 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:53:51,786 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:53:51,786 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:53:51,786 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:53:51,786 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:53:51,786 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-24 16:53:51,786 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:53:51,786 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:53:51,786 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:53:51,786 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:53:51,786 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:53:51,786 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 16:53:51,786 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:53:51,787 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:53:51,787 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 16:53:51,787 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 16:53:51,787 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 16:53:51,787 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-24 16:53:51,787 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 16:53:51,787 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:53:51,787 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-04-24 16:53:51,787 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 16:53:51,787 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-24 16:53:51,787 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2025-04-24 16:53:51,787 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 16:53:51,787 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:53:51,787 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 16:53:51,787 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 16:53:51,787 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 16:53:51,787 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-04-24 16:53:51,787 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 16:53:51,787 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-24 16:53:51,787 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-24 16:53:51,787 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-04-24 16:53:51,787 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2025-04-24 16:53:51,787 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-24 16:53:51,787 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-04-24 16:53:51,787 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-24 16:53:51,787 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-04-24 16:53:51,787 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 16:53:51,787 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-24 16:53:51,787 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 252 states. [2025-04-24 16:53:51,787 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2025-04-24 16:53:51,787 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-04-24 16:53:51,802 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Ended with exit code 0 [2025-04-24 16:53:51,988 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2025-04-24 16:53:51,988 INFO L403 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 16:53:51,988 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 16:53:51,988 INFO L139 ounterexampleChecker]: Examining path program with hash -2082716773, occurence #6 [2025-04-24 16:53:51,988 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 16:53:51,988 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 16:53:51,988 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:53:51,988 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2025-04-24 16:53:51,988 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:53:51,988 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2025-04-24 16:53:51,988 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:53:51,988 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-04-24 16:53:51,988 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:53:51,988 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2025-04-24 16:53:51,988 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:53:51,988 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 213 [2025-04-24 16:53:51,988 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:53:51,988 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 219 [2025-04-24 16:53:51,988 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 16:53:51,989 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 223 [2025-04-24 16:53:51,989 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 16:53:51,989 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 16:53:51,989 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 16:53:51,989 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 16:53:51,989 INFO L85 PathProgramCache]: Analyzing trace with hash 88265434, now seen corresponding path program 5 times [2025-04-24 16:53:51,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 16:53:51,989 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580870157] [2025-04-24 16:53:51,989 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 16:53:51,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 16:53:52,014 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 227 statements into 24 equivalence classes. [2025-04-24 16:53:52,216 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 24 check-sat command(s) and asserted 227 of 227 statements. [2025-04-24 16:53:52,216 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 24 check-sat command(s) [2025-04-24 16:53:52,216 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 16:53:53,265 INFO L134 CoverageAnalysis]: Checked inductivity of 2255 backedges. 1564 proven. 91 refuted. 0 times theorem prover too weak. 600 trivial. 0 not checked. [2025-04-24 16:53:53,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 16:53:53,265 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580870157] [2025-04-24 16:53:53,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580870157] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 16:53:53,265 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [550140315] [2025-04-24 16:53:53,265 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 16:53:53,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 16:53:53,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 16:53:53,267 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 16:53:53,268 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2025-04-24 16:53:53,597 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 227 statements into 24 equivalence classes.